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Finding the Fourth Proportional to 499,051.60, 748,577.40 and 183,443.20

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Solution

The fourth proportional to 499,051.60, 748,577.40 and 183,443.20 is: 275,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,051.60 : 748,577.40 = 183,443.20 : x
  2. Step 2: Convert to fraction form
    499,051.60/748,577.40 = 183,443.20/x
  3. Step 3: Cross multiply
    499,051.60x = 748,577.40 × 183,443.20
  4. Step 4: Simplify right side
    499,051.60x = 137,321,433,703.68
  5. Step 5: Solve for x
    x = 137,321,433,703.68/499,051.60
  6. Step 6: Final answer
    x = 275,164.80

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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.