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Finding the Fourth Proportional to 632,884.73, 873,373.52 and 342,489.57

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Solution

The fourth proportional to 632,884.73, 873,373.52 and 342,489.57 is: 472,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,884.73 : 873,373.52 = 342,489.57 : x
  2. Step 2: Convert to fraction form
    632,884.73/873,373.52 = 342,489.57/x
  3. Step 3: Cross multiply
    632,884.73x = 873,373.52 × 342,489.57
  4. Step 4: Simplify right side
    632,884.73x = 299,121,318,895.26
  5. Step 5: Solve for x
    x = 299,121,318,895.26/632,884.73
  6. Step 6: Final answer
    x = 472,631.60

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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.