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Finding the Fourth Proportional to 499,007.20, 748,510.80 and 183,423.10

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Solution

The fourth proportional to 499,007.20, 748,510.80 and 183,423.10 is: 275,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,007.20 : 748,510.80 = 183,423.10 : x
  2. Step 2: Convert to fraction form
    499,007.20/748,510.80 = 183,423.10/x
  3. Step 3: Cross multiply
    499,007.20x = 748,510.80 × 183,423.10
  4. Step 4: Simplify right side
    499,007.20x = 137,294,171,319.48
  5. Step 5: Solve for x
    x = 137,294,171,319.48/499,007.20
  6. Step 6: Final answer
    x = 275,134.65

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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.