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Finding the Fourth Proportional to 359,089.60, 538,180.80 and 181,645.60

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Solution

The fourth proportional to 359,089.60, 538,180.80 and 181,645.60 is: 272,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,089.60 : 538,180.80 = 181,645.60 : x
  2. Step 2: Convert to fraction form
    359,089.60/538,180.80 = 181,645.60/x
  3. Step 3: Cross multiply
    359,089.60x = 538,180.80 × 181,645.60
  4. Step 4: Simplify right side
    359,089.60x = 97,758,174,324.48
  5. Step 5: Solve for x
    x = 97,758,174,324.48/359,089.60
  6. Step 6: Final answer
    x = 272,238.95

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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.