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Finding the Fourth Proportional to 635,079.64, 876,011.25 and 376,773.71

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Solution

The fourth proportional to 635,079.64, 876,011.25 and 376,773.71 is: 519,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,079.64 : 876,011.25 = 376,773.71 : x
  2. Step 2: Convert to fraction form
    635,079.64/876,011.25 = 376,773.71/x
  3. Step 3: Cross multiply
    635,079.64x = 876,011.25 × 376,773.71
  4. Step 4: Simplify right side
    635,079.64x = 330,058,006,156.32
  5. Step 5: Solve for x
    x = 330,058,006,156.32/635,079.64
  6. Step 6: Final answer
    x = 519,711.21

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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.