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Finding the Fourth Proportional to 632,410.92, 872,481.96 and 402,927.12

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Solution

The fourth proportional to 632,410.92, 872,481.96 and 402,927.12 is: 555,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,410.92 : 872,481.96 = 402,927.12 : x
  2. Step 2: Convert to fraction form
    632,410.92/872,481.96 = 402,927.12/x
  3. Step 3: Cross multiply
    632,410.92x = 872,481.96 × 402,927.12
  4. Step 4: Simplify right side
    632,410.92x = 351,546,643,394.76
  5. Step 5: Solve for x
    x = 351,546,643,394.76/632,410.92
  6. Step 6: Final answer
    x = 555,883.26

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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.