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Finding the Fourth Proportional to 483,321.90, 724,982.85 and 304,862.70

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Solution

The fourth proportional to 483,321.90, 724,982.85 and 304,862.70 is: 457,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,321.90 : 724,982.85 = 304,862.70 : x
  2. Step 2: Convert to fraction form
    483,321.90/724,982.85 = 304,862.70/x
  3. Step 3: Cross multiply
    483,321.90x = 724,982.85 × 304,862.70
  4. Step 4: Simplify right side
    483,321.90x = 221,020,229,104.70
  5. Step 5: Solve for x
    x = 221,020,229,104.70/483,321.90
  6. Step 6: Final answer
    x = 457,294.05

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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.