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Finding the Fourth Proportional to 499,511.30, 749,266.95 and 496,400.90

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Solution

The fourth proportional to 499,511.30, 749,266.95 and 496,400.90 is: 744,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,511.30 : 749,266.95 = 496,400.90 : x
  2. Step 2: Convert to fraction form
    499,511.30/749,266.95 = 496,400.90/x
  3. Step 3: Cross multiply
    499,511.30x = 749,266.95 × 496,400.90
  4. Step 4: Simplify right side
    499,511.30x = 371,936,788,320.26
  5. Step 5: Solve for x
    x = 371,936,788,320.26/499,511.30
  6. Step 6: Final answer
    x = 744,601.35

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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.