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Finding the Fourth Proportional to 347,104.38, 520,668.02 and 119,397.71

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Solution

The fourth proportional to 347,104.38, 520,668.02 and 119,397.71 is: 179,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,104.38 : 520,668.02 = 119,397.71 : x
  2. Step 2: Convert to fraction form
    347,104.38/520,668.02 = 119,397.71/x
  3. Step 3: Cross multiply
    347,104.38x = 520,668.02 × 119,397.71
  4. Step 4: Simplify right side
    347,104.38x = 62,166,566,654.89
  5. Step 5: Solve for x
    x = 62,166,566,654.89/347,104.38
  6. Step 6: Final answer
    x = 179,100.50

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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.