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Finding the Fourth Proportional to 897,306.68, 1,238,253 and 534,542.64

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Solution

The fourth proportional to 897,306.68, 1,238,253 and 534,542.64 is: 737,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,306.68 : 1,238,253 = 534,542.64 : x
  2. Step 2: Convert to fraction form
    897,306.68/1,238,253 = 534,542.64/x
  3. Step 3: Cross multiply
    897,306.68x = 1,238,253 × 534,542.64
  4. Step 4: Simplify right side
    897,306.68x = 661,899,027,607.92
  5. Step 5: Solve for x
    x = 661,899,027,607.92/897,306.68
  6. Step 6: Final answer
    x = 737,650.84

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Double scale
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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.