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Finding the Fourth Proportional to 464,572.28, 641,384.57 and 292,637.63

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Solution

The fourth proportional to 464,572.28, 641,384.57 and 292,637.63 is: 404,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,572.28 : 641,384.57 = 292,637.63 : x
  2. Step 2: Convert to fraction form
    464,572.28/641,384.57 = 292,637.63/x
  3. Step 3: Cross multiply
    464,572.28x = 641,384.57 × 292,637.63
  4. Step 4: Simplify right side
    464,572.28x = 187,693,255,813.26
  5. Step 5: Solve for x
    x = 187,693,255,813.26/464,572.28
  6. Step 6: Final answer
    x = 404,013.04

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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.