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Finding the Fourth Proportional to 473,604.57, 710,517.80 and 323,915.36

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Solution

The fourth proportional to 473,604.57, 710,517.80 and 323,915.36 is: 485,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,604.57 : 710,517.80 = 323,915.36 : x
  2. Step 2: Convert to fraction form
    473,604.57/710,517.80 = 323,915.36/x
  3. Step 3: Cross multiply
    473,604.57x = 710,517.80 × 323,915.36
  4. Step 4: Simplify right side
    473,604.57x = 230,147,626,230.61
  5. Step 5: Solve for x
    x = 230,147,626,230.61/473,604.57
  6. Step 6: Final answer
    x = 485,948.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.