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Finding the Fourth Proportional to 547,116.50, 818,993.04 and 466,403.88

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Solution

The fourth proportional to 547,116.50, 818,993.04 and 466,403.88 is: 698,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,116.50 : 818,993.04 = 466,403.88 : x
  2. Step 2: Convert to fraction form
    547,116.50/818,993.04 = 466,403.88/x
  3. Step 3: Cross multiply
    547,116.50x = 818,993.04 × 466,403.88
  4. Step 4: Simplify right side
    547,116.50x = 381,981,531,549.00
  5. Step 5: Solve for x
    x = 381,981,531,549.00/547,116.50
  6. Step 6: Final answer
    x = 698,172.20

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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.