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Finding the Fourth Proportional to 573,901.20, 858,810.60 and 499,834.80

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Solution

The fourth proportional to 573,901.20, 858,810.60 and 499,834.80 is: 747,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,901.20 : 858,810.60 = 499,834.80 : x
  2. Step 2: Convert to fraction form
    573,901.20/858,810.60 = 499,834.80/x
  3. Step 3: Cross multiply
    573,901.20x = 858,810.60 × 499,834.80
  4. Step 4: Simplify right side
    573,901.20x = 429,263,424,488.88
  5. Step 5: Solve for x
    x = 429,263,424,488.88/573,901.20
  6. Step 6: Final answer
    x = 747,974.43

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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.