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Finding the Fourth Proportional to 359,355.08, 538,916.01 and 119,404.55

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Solution

The fourth proportional to 359,355.08, 538,916.01 and 119,404.55 is: 179,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,355.08 : 538,916.01 = 119,404.55 : x
  2. Step 2: Convert to fraction form
    359,355.08/538,916.01 = 119,404.55/x
  3. Step 3: Cross multiply
    359,355.08x = 538,916.01 × 119,404.55
  4. Step 4: Simplify right side
    359,355.08x = 64,349,020,967.27
  5. Step 5: Solve for x
    x = 64,349,020,967.27/359,355.08
  6. Step 6: Final answer
    x = 179,068.07

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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.