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Finding the Fourth Proportional to 576,127.41, 794,937.15 and 331,064.79

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Solution

The fourth proportional to 576,127.41, 794,937.15 and 331,064.79 is: 456,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,127.41 : 794,937.15 = 331,064.79 : x
  2. Step 2: Convert to fraction form
    576,127.41/794,937.15 = 331,064.79/x
  3. Step 3: Cross multiply
    576,127.41x = 794,937.15 × 331,064.79
  4. Step 4: Simplify right side
    576,127.41x = 263,175,700,627.95
  5. Step 5: Solve for x
    x = 263,175,700,627.95/576,127.41
  6. Step 6: Final answer
    x = 456,801.21

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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.