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Finding the Fourth Proportional to 359,606.48, 539,497.52 and 119,719.92

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Solution

The fourth proportional to 359,606.48, 539,497.52 and 119,719.92 is: 179,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,606.48 : 539,497.52 = 119,719.92 : x
  2. Step 2: Convert to fraction form
    359,606.48/539,497.52 = 119,719.92/x
  3. Step 3: Cross multiply
    359,606.48x = 539,497.52 × 119,719.92
  4. Step 4: Simplify right side
    359,606.48x = 64,588,599,934.60
  5. Step 5: Solve for x
    x = 64,588,599,934.60/359,606.48
  6. Step 6: Final answer
    x = 179,609.11

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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.