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Finding the Fourth Proportional to 610,469.40, 915,704.10 and 584,553.45

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Solution

The fourth proportional to 610,469.40, 915,704.10 and 584,553.45 is: 876,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,469.40 : 915,704.10 = 584,553.45 : x
  2. Step 2: Convert to fraction form
    610,469.40/915,704.10 = 584,553.45/x
  3. Step 3: Cross multiply
    610,469.40x = 915,704.10 × 584,553.45
  4. Step 4: Simplify right side
    610,469.40x = 535,277,990,834.15
  5. Step 5: Solve for x
    x = 535,277,990,834.15/610,469.40
  6. Step 6: Final answer
    x = 876,830.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.