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Finding the Fourth Proportional to 534,484.92, 737,560.38 and 292,721.64

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Solution

The fourth proportional to 534,484.92, 737,560.38 and 292,721.64 is: 403,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,484.92 : 737,560.38 = 292,721.64 : x
  2. Step 2: Convert to fraction form
    534,484.92/737,560.38 = 292,721.64/x
  3. Step 3: Cross multiply
    534,484.92x = 737,560.38 × 292,721.64
  4. Step 4: Simplify right side
    534,484.92x = 215,899,884,032.62
  5. Step 5: Solve for x
    x = 215,899,884,032.62/534,484.92
  6. Step 6: Final answer
    x = 403,940.09

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1.5x scale

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.