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Finding the Fourth Proportional to 653,676.80, 980,515.20 and 232,800.80

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Solution

The fourth proportional to 653,676.80, 980,515.20 and 232,800.80 is: 349,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,676.80 : 980,515.20 = 232,800.80 : x
  2. Step 2: Convert to fraction form
    653,676.80/980,515.20 = 232,800.80/x
  3. Step 3: Cross multiply
    653,676.80x = 980,515.20 × 232,800.80
  4. Step 4: Simplify right side
    653,676.80x = 228,264,722,972.16
  5. Step 5: Solve for x
    x = 228,264,722,972.16/653,676.80
  6. Step 6: Final answer
    x = 349,201.20

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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.