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Finding the Fourth Proportional to 591,942.70, 887,978.85 and 573,280.30

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Solution

The fourth proportional to 591,942.70, 887,978.85 and 573,280.30 is: 859,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,942.70 : 887,978.85 = 573,280.30 : x
  2. Step 2: Convert to fraction form
    591,942.70/887,978.85 = 573,280.30/x
  3. Step 3: Cross multiply
    591,942.70x = 887,978.85 × 573,280.30
  4. Step 4: Simplify right side
    591,942.70x = 509,060,781,521.66
  5. Step 5: Solve for x
    x = 509,060,781,521.66/591,942.70
  6. Step 6: Final answer
    x = 859,983.21

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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.