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Finding the Fourth Proportional to 359,187.40, 538,845.90 and 181,246.60

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Solution

The fourth proportional to 359,187.40, 538,845.90 and 181,246.60 is: 271,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,187.40 : 538,845.90 = 181,246.60 : x
  2. Step 2: Convert to fraction form
    359,187.40/538,845.90 = 181,246.60/x
  3. Step 3: Cross multiply
    359,187.40x = 538,845.90 × 181,246.60
  4. Step 4: Simplify right side
    359,187.40x = 97,663,987,298.94
  5. Step 5: Solve for x
    x = 97,663,987,298.94/359,187.40
  6. Step 6: Final answer
    x = 271,902.60

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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.