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Finding the Fourth Proportional to 655,048.62, 976,874.58 and 582,475.86

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Solution

The fourth proportional to 655,048.62, 976,874.58 and 582,475.86 is: 868,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,048.62 : 976,874.58 = 582,475.86 : x
  2. Step 2: Convert to fraction form
    655,048.62/976,874.58 = 582,475.86/x
  3. Step 3: Cross multiply
    655,048.62x = 976,874.58 × 582,475.86
  4. Step 4: Simplify right side
    655,048.62x = 569,005,861,097.64
  5. Step 5: Solve for x
    x = 569,005,861,097.64/655,048.62
  6. Step 6: Final answer
    x = 868,646.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.