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Finding the Fourth Proportional to 544,508.38, 751,386 and 302,781.97

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Solution

The fourth proportional to 544,508.38, 751,386 and 302,781.97 is: 417,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,508.38 : 751,386 = 302,781.97 : x
  2. Step 2: Convert to fraction form
    544,508.38/751,386 = 302,781.97/x
  3. Step 3: Cross multiply
    544,508.38x = 751,386 × 302,781.97
  4. Step 4: Simplify right side
    544,508.38x = 227,506,133,310.42
  5. Step 5: Solve for x
    x = 227,506,133,310.42/544,508.38
  6. Step 6: Final answer
    x = 417,819.34

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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.