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Finding the Fourth Proportional to 635,431.52, 876,898.44 and 363,502.40

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Solution

The fourth proportional to 635,431.52, 876,898.44 and 363,502.40 is: 501,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,431.52 : 876,898.44 = 363,502.40 : x
  2. Step 2: Convert to fraction form
    635,431.52/876,898.44 = 363,502.40/x
  3. Step 3: Cross multiply
    635,431.52x = 876,898.44 × 363,502.40
  4. Step 4: Simplify right side
    635,431.52x = 318,754,687,496.26
  5. Step 5: Solve for x
    x = 318,754,687,496.26/635,431.52
  6. Step 6: Final answer
    x = 501,635.00

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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.