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Finding the Fourth Proportional to 499,510.80, 749,266.20 and 496,400.40

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Solution

The fourth proportional to 499,510.80, 749,266.20 and 496,400.40 is: 744,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,510.80 : 749,266.20 = 496,400.40 : x
  2. Step 2: Convert to fraction form
    499,510.80/749,266.20 = 496,400.40/x
  3. Step 3: Cross multiply
    499,510.80x = 749,266.20 × 496,400.40
  4. Step 4: Simplify right side
    499,510.80x = 371,936,041,386.48
  5. Step 5: Solve for x
    x = 371,936,041,386.48/499,510.80
  6. Step 6: Final answer
    x = 744,600.60

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Similar ratio
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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.