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Finding the Fourth Proportional to 576,687.88, 865,216.88 and 277,190.16

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Solution

The fourth proportional to 576,687.88, 865,216.88 and 277,190.16 is: 415,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,687.88 : 865,216.88 = 277,190.16 : x
  2. Step 2: Convert to fraction form
    576,687.88/865,216.88 = 277,190.16/x
  3. Step 3: Cross multiply
    576,687.88x = 865,216.88 × 277,190.16
  4. Step 4: Simplify right side
    576,687.88x = 239,829,605,401.90
  5. Step 5: Solve for x
    x = 239,829,605,401.90/576,687.88
  6. Step 6: Final answer
    x = 415,874.19

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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.