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Finding the Fourth Proportional to 499,009.20, 748,513.80 and 183,425.10

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Solution

The fourth proportional to 499,009.20, 748,513.80 and 183,425.10 is: 275,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,009.20 : 748,513.80 = 183,425.10 : x
  2. Step 2: Convert to fraction form
    499,009.20/748,513.80 = 183,425.10/x
  3. Step 3: Cross multiply
    499,009.20x = 748,513.80 × 183,425.10
  4. Step 4: Simplify right side
    499,009.20x = 137,296,218,616.38
  5. Step 5: Solve for x
    x = 137,296,218,616.38/499,009.20
  6. Step 6: Final answer
    x = 275,137.65

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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.