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Finding the Fourth Proportional to 451,706.61, 623,350.88 and 247,753.35

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Solution

The fourth proportional to 451,706.61, 623,350.88 and 247,753.35 is: 341,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,706.61 : 623,350.88 = 247,753.35 : x
  2. Step 2: Convert to fraction form
    451,706.61/623,350.88 = 247,753.35/x
  3. Step 3: Cross multiply
    451,706.61x = 623,350.88 × 247,753.35
  4. Step 4: Simplify right side
    451,706.61x = 154,437,267,506.68
  5. Step 5: Solve for x
    x = 154,437,267,506.68/451,706.61
  6. Step 6: Final answer
    x = 341,897.29

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1.5x scale

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.