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Finding the Fourth Proportional to 632,998.65, 873,538.05 and 342,610.16

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Solution

The fourth proportional to 632,998.65, 873,538.05 and 342,610.16 is: 472,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,998.65 : 873,538.05 = 342,610.16 : x
  2. Step 2: Convert to fraction form
    632,998.65/873,538.05 = 342,610.16/x
  3. Step 3: Cross multiply
    632,998.65x = 873,538.05 × 342,610.16
  4. Step 4: Simplify right side
    632,998.65x = 299,283,006,708.90
  5. Step 5: Solve for x
    x = 299,283,006,708.90/632,998.65
  6. Step 6: Final answer
    x = 472,801.97

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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.