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Finding the Fourth Proportional to 534,392.64, 737,470.17 and 292,670.82

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Solution

The fourth proportional to 534,392.64, 737,470.17 and 292,670.82 is: 403,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,392.64 : 737,470.17 = 292,670.82 : x
  2. Step 2: Convert to fraction form
    534,392.64/737,470.17 = 292,670.82/x
  3. Step 3: Cross multiply
    534,392.64x = 737,470.17 × 292,670.82
  4. Step 4: Simplify right side
    534,392.64x = 215,835,999,379.44
  5. Step 5: Solve for x
    x = 215,835,999,379.44/534,392.64
  6. Step 6: Final answer
    x = 403,890.29

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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.