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Finding the Fourth Proportional to 582,549.38, 803,725.89 and 474,934.40

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Solution

The fourth proportional to 582,549.38, 803,725.89 and 474,934.40 is: 655,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,549.38 : 803,725.89 = 474,934.40 : x
  2. Step 2: Convert to fraction form
    582,549.38/803,725.89 = 474,934.40/x
  3. Step 3: Cross multiply
    582,549.38x = 803,725.89 × 474,934.40
  4. Step 4: Simplify right side
    582,549.38x = 381,717,073,331.62
  5. Step 5: Solve for x
    x = 381,717,073,331.62/582,549.38
  6. Step 6: Final answer
    x = 655,252.73

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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.