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Finding the Fourth Proportional to 635,344.39, 876,854.27 and 363,374.55

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Solution

The fourth proportional to 635,344.39, 876,854.27 and 363,374.55 is: 501,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,344.39 : 876,854.27 = 363,374.55 : x
  2. Step 2: Convert to fraction form
    635,344.39/876,854.27 = 363,374.55/x
  3. Step 3: Cross multiply
    635,344.39x = 876,854.27 × 363,374.55
  4. Step 4: Simplify right side
    635,344.39x = 318,626,525,776.83
  5. Step 5: Solve for x
    x = 318,626,525,776.83/635,344.39
  6. Step 6: Final answer
    x = 501,502.07

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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.