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Finding the Fourth Proportional to 560,665.92, 773,819.28 and 334,326

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Solution

The fourth proportional to 560,665.92, 773,819.28 and 334,326 is: 461,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,665.92 : 773,819.28 = 334,326 : x
  2. Step 2: Convert to fraction form
    560,665.92/773,819.28 = 334,326/x
  3. Step 3: Cross multiply
    560,665.92x = 773,819.28 × 334,326
  4. Step 4: Simplify right side
    560,665.92x = 258,707,904,605.28
  5. Step 5: Solve for x
    x = 258,707,904,605.28/560,665.92
  6. Step 6: Final answer
    x = 461,429.70

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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.