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Finding the Fourth Proportional to 557,006.97, 768,668.96 and 302,358.17

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Solution

The fourth proportional to 557,006.97, 768,668.96 and 302,358.17 is: 417,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,006.97 : 768,668.96 = 302,358.17 : x
  2. Step 2: Convert to fraction form
    557,006.97/768,668.96 = 302,358.17/x
  3. Step 3: Cross multiply
    557,006.97x = 768,668.96 × 302,358.17
  4. Step 4: Simplify right side
    557,006.97x = 232,413,334,726.27
  5. Step 5: Solve for x
    x = 232,413,334,726.27/557,006.97
  6. Step 6: Final answer
    x = 417,253.91

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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.