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Finding the Fourth Proportional to 359,024.23, 538,628.62 and 134,387.88

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Solution

The fourth proportional to 359,024.23, 538,628.62 and 134,387.88 is: 201,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,024.23 : 538,628.62 = 134,387.88 : x
  2. Step 2: Convert to fraction form
    359,024.23/538,628.62 = 134,387.88/x
  3. Step 3: Cross multiply
    359,024.23x = 538,628.62 × 134,387.88
  4. Step 4: Simplify right side
    359,024.23x = 72,385,158,349.13
  5. Step 5: Solve for x
    x = 72,385,158,349.13/359,024.23
  6. Step 6: Final answer
    x = 201,616.36

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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.