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Finding the Fourth Proportional to 359,688.50, 539,253.54 and 233,061.20

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Solution

The fourth proportional to 359,688.50, 539,253.54 and 233,061.20 is: 349,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688.50 : 539,253.54 = 233,061.20 : x
  2. Step 2: Convert to fraction form
    359,688.50/539,253.54 = 233,061.20/x
  3. Step 3: Cross multiply
    359,688.50x = 539,253.54 × 233,061.20
  4. Step 4: Simplify right side
    359,688.50x = 125,679,077,136.65
  5. Step 5: Solve for x
    x = 125,679,077,136.65/359,688.50
  6. Step 6: Final answer
    x = 349,410.89

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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.