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Finding the Fourth Proportional to 474,016.48, 654,142.82 and 259,156.60

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Solution

The fourth proportional to 474,016.48, 654,142.82 and 259,156.60 is: 357,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,016.48 : 654,142.82 = 259,156.60 : x
  2. Step 2: Convert to fraction form
    474,016.48/654,142.82 = 259,156.60/x
  3. Step 3: Cross multiply
    474,016.48x = 654,142.82 × 259,156.60
  4. Step 4: Simplify right side
    474,016.48x = 169,525,426,214.47
  5. Step 5: Solve for x
    x = 169,525,426,214.47/474,016.48
  6. Step 6: Final answer
    x = 357,636.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.