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Finding the Fourth Proportional to 684,248.88, 944,239.56 and 374,158.68

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Solution

The fourth proportional to 684,248.88, 944,239.56 and 374,158.68 is: 516,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,248.88 : 944,239.56 = 374,158.68 : x
  2. Step 2: Convert to fraction form
    684,248.88/944,239.56 = 374,158.68/x
  3. Step 3: Cross multiply
    684,248.88x = 944,239.56 × 374,158.68
  4. Step 4: Simplify right side
    684,248.88x = 353,295,427,373.38
  5. Step 5: Solve for x
    x = 353,295,427,373.38/684,248.88
  6. Step 6: Final answer
    x = 516,325.91

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Double scale
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Similar ratio
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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.