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Finding the Fourth Proportional to 499,818.10, 749,727.15 and 499,818.10

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Solution

The fourth proportional to 499,818.10, 749,727.15 and 499,818.10 is: 749,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,818.10 : 749,727.15 = 499,818.10 : x
  2. Step 2: Convert to fraction form
    499,818.10/749,727.15 = 499,818.10/x
  3. Step 3: Cross multiply
    499,818.10x = 749,727.15 × 499,818.10
  4. Step 4: Simplify right side
    499,818.10x = 374,727,199,631.42
  5. Step 5: Solve for x
    x = 374,727,199,631.42/499,818.10
  6. Step 6: Final answer
    x = 749,727.15

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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.