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Finding the Fourth Proportional to 359,124.60, 538,233.30 and 181,680.60

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Solution

The fourth proportional to 359,124.60, 538,233.30 and 181,680.60 is: 272,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,124.60 : 538,233.30 = 181,680.60 : x
  2. Step 2: Convert to fraction form
    359,124.60/538,233.30 = 181,680.60/x
  3. Step 3: Cross multiply
    359,124.60x = 538,233.30 × 181,680.60
  4. Step 4: Simplify right side
    359,124.60x = 97,786,548,883.98
  5. Step 5: Solve for x
    x = 97,786,548,883.98/359,124.60
  6. Step 6: Final answer
    x = 272,291.42

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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.