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Finding the Fourth Proportional to 359,022.60, 538,404.30 and 181,470.60

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Solution

The fourth proportional to 359,022.60, 538,404.30 and 181,470.60 is: 272,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,022.60 : 538,404.30 = 181,470.60 : x
  2. Step 2: Convert to fraction form
    359,022.60/538,404.30 = 181,470.60/x
  3. Step 3: Cross multiply
    359,022.60x = 538,404.30 × 181,470.60
  4. Step 4: Simplify right side
    359,022.60x = 97,704,551,363.58
  5. Step 5: Solve for x
    x = 97,704,551,363.58/359,022.60
  6. Step 6: Final answer
    x = 272,140.39

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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.