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Finding the Fourth Proportional to 657,131.52, 906,765.36 and 370,656.44

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Solution

The fourth proportional to 657,131.52, 906,765.36 and 370,656.44 is: 511,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,131.52 : 906,765.36 = 370,656.44 : x
  2. Step 2: Convert to fraction form
    657,131.52/906,765.36 = 370,656.44/x
  3. Step 3: Cross multiply
    657,131.52x = 906,765.36 × 370,656.44
  4. Step 4: Simplify right side
    657,131.52x = 336,098,420,252.92
  5. Step 5: Solve for x
    x = 336,098,420,252.92/657,131.52
  6. Step 6: Final answer
    x = 511,462.94

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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.