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Finding the Fourth Proportional to 577,800.83, 866,531.75 and 217,711.89

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Solution

The fourth proportional to 577,800.83, 866,531.75 and 217,711.89 is: 326,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,800.83 : 866,531.75 = 217,711.89 : x
  2. Step 2: Convert to fraction form
    577,800.83/866,531.75 = 217,711.89/x
  3. Step 3: Cross multiply
    577,800.83x = 866,531.75 × 217,711.89
  4. Step 4: Simplify right side
    577,800.83x = 188,654,263,948.95
  5. Step 5: Solve for x
    x = 188,654,263,948.95/577,800.83
  6. Step 6: Final answer
    x = 326,503.97

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1.5x scale

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.