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Finding the Fourth Proportional to 499,511.80, 749,267.70 and 496,401.40

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Solution

The fourth proportional to 499,511.80, 749,267.70 and 496,401.40 is: 744,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,511.80 : 749,267.70 = 496,401.40 : x
  2. Step 2: Convert to fraction form
    499,511.80/749,267.70 = 496,401.40/x
  3. Step 3: Cross multiply
    499,511.80x = 749,267.70 × 496,401.40
  4. Step 4: Simplify right side
    499,511.80x = 371,937,535,254.78
  5. Step 5: Solve for x
    x = 371,937,535,254.78/499,511.80
  6. Step 6: Final answer
    x = 744,602.10

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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.