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Finding the Fourth Proportional to 487,704.10, 683,252.30 and 487,704.10

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Solution

The fourth proportional to 487,704.10, 683,252.30 and 487,704.10 is: 683,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,704.10 : 683,252.30 = 487,704.10 : x
  2. Step 2: Convert to fraction form
    487,704.10/683,252.30 = 487,704.10/x
  3. Step 3: Cross multiply
    487,704.10x = 683,252.30 × 487,704.10
  4. Step 4: Simplify right side
    487,704.10x = 333,224,948,044.43
  5. Step 5: Solve for x
    x = 333,224,948,044.43/487,704.10
  6. Step 6: Final answer
    x = 683,252.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.