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Finding the Fourth Proportional to 345,073.88, 476,106.30 and 207,217.24

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Solution

The fourth proportional to 345,073.88, 476,106.30 and 207,217.24 is: 285,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,073.88 : 476,106.30 = 207,217.24 : x
  2. Step 2: Convert to fraction form
    345,073.88/476,106.30 = 207,217.24/x
  3. Step 3: Cross multiply
    345,073.88x = 476,106.30 × 207,217.24
  4. Step 4: Simplify right side
    345,073.88x = 98,657,433,432.61
  5. Step 5: Solve for x
    x = 98,657,433,432.61/345,073.88
  6. Step 6: Final answer
    x = 285,902.35

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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.