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Finding the Fourth Proportional to 633,530.43, 874,053.45 and 361,402.02

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Solution

The fourth proportional to 633,530.43, 874,053.45 and 361,402.02 is: 498,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,530.43 : 874,053.45 = 361,402.02 : x
  2. Step 2: Convert to fraction form
    633,530.43/874,053.45 = 361,402.02/x
  3. Step 3: Cross multiply
    633,530.43x = 874,053.45 × 361,402.02
  4. Step 4: Simplify right side
    633,530.43x = 315,884,682,417.97
  5. Step 5: Solve for x
    x = 315,884,682,417.97/633,530.43
  6. Step 6: Final answer
    x = 498,610.12

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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.