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Finding the Fourth Proportional to 573,887.10, 859,793.85 and 490,943.10

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Solution

The fourth proportional to 573,887.10, 859,793.85 and 490,943.10 is: 735,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,887.10 : 859,793.85 = 490,943.10 : x
  2. Step 2: Convert to fraction form
    573,887.10/859,793.85 = 490,943.10/x
  3. Step 3: Cross multiply
    573,887.10x = 859,793.85 × 490,943.10
  4. Step 4: Simplify right side
    573,887.10x = 422,109,858,079.94
  5. Step 5: Solve for x
    x = 422,109,858,079.94/573,887.10
  6. Step 6: Final answer
    x = 735,527.70

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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.