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Finding the Fourth Proportional to 654,966.34, 982,449.44 and 181,651.68

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Solution

The fourth proportional to 654,966.34, 982,449.44 and 181,651.68 is: 272,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,966.34 : 982,449.44 = 181,651.68 : x
  2. Step 2: Convert to fraction form
    654,966.34/982,449.44 = 181,651.68/x
  3. Step 3: Cross multiply
    654,966.34x = 982,449.44 × 181,651.68
  4. Step 4: Simplify right side
    654,966.34x = 178,463,591,291.06
  5. Step 5: Solve for x
    x = 178,463,591,291.06/654,966.34
  6. Step 6: Final answer
    x = 272,477.50

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Half scale
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Double scale
Find fourth proportional to 654,967.34, 982,450.94 and 181,652.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.