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Finding the Fourth Proportional to 410,061.60, 615,092.40 and 367,207.20

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Solution

The fourth proportional to 410,061.60, 615,092.40 and 367,207.20 is: 550,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,061.60 : 615,092.40 = 367,207.20 : x
  2. Step 2: Convert to fraction form
    410,061.60/615,092.40 = 367,207.20/x
  3. Step 3: Cross multiply
    410,061.60x = 615,092.40 × 367,207.20
  4. Step 4: Simplify right side
    410,061.60x = 225,866,357,945.28
  5. Step 5: Solve for x
    x = 225,866,357,945.28/410,061.60
  6. Step 6: Final answer
    x = 550,810.80

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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.