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Finding the Fourth Proportional to 573,851.70, 859,793.40 and 273,685.95

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Solution

The fourth proportional to 573,851.70, 859,793.40 and 273,685.95 is: 410,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,851.70 : 859,793.40 = 273,685.95 : x
  2. Step 2: Convert to fraction form
    573,851.70/859,793.40 = 273,685.95/x
  3. Step 3: Cross multiply
    573,851.70x = 859,793.40 × 273,685.95
  4. Step 4: Simplify right side
    573,851.70x = 235,313,373,482.73
  5. Step 5: Solve for x
    x = 235,313,373,482.73/573,851.70
  6. Step 6: Final answer
    x = 410,059.56

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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.