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Finding the Fourth Proportional to 524,594.92, 724,002.42 and 298,274.44

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Solution

The fourth proportional to 524,594.92, 724,002.42 and 298,274.44 is: 411,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,594.92 : 724,002.42 = 298,274.44 : x
  2. Step 2: Convert to fraction form
    524,594.92/724,002.42 = 298,274.44/x
  3. Step 3: Cross multiply
    524,594.92x = 724,002.42 × 298,274.44
  4. Step 4: Simplify right side
    524,594.92x = 215,951,416,384.15
  5. Step 5: Solve for x
    x = 215,951,416,384.15/524,594.92
  6. Step 6: Final answer
    x = 411,653.66

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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.