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Finding the Fourth Proportional to 499,321.85, 748,982.78 and 183,713.45

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Solution

The fourth proportional to 499,321.85, 748,982.78 and 183,713.45 is: 275,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,321.85 : 748,982.78 = 183,713.45 : x
  2. Step 2: Convert to fraction form
    499,321.85/748,982.78 = 183,713.45/x
  3. Step 3: Cross multiply
    499,321.85x = 748,982.78 × 183,713.45
  4. Step 4: Simplify right side
    499,321.85x = 137,598,209,585.82
  5. Step 5: Solve for x
    x = 137,598,209,585.82/499,321.85
  6. Step 6: Final answer
    x = 275,570.18

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Similar ratio
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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.