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Finding the Fourth Proportional to 415,967.27, 573,985.47 and 234,668.62

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Solution

The fourth proportional to 415,967.27, 573,985.47 and 234,668.62 is: 323,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,967.27 : 573,985.47 = 234,668.62 : x
  2. Step 2: Convert to fraction form
    415,967.27/573,985.47 = 234,668.62/x
  3. Step 3: Cross multiply
    415,967.27x = 573,985.47 × 234,668.62
  4. Step 4: Simplify right side
    415,967.27x = 134,696,378,144.95
  5. Step 5: Solve for x
    x = 134,696,378,144.95/415,967.27
  6. Step 6: Final answer
    x = 323,814.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.