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Finding the Fourth Proportional to 310,902.80, 466,354.20 and 236,253.20

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Solution

The fourth proportional to 310,902.80, 466,354.20 and 236,253.20 is: 354,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,902.80 : 466,354.20 = 236,253.20 : x
  2. Step 2: Convert to fraction form
    310,902.80/466,354.20 = 236,253.20/x
  3. Step 3: Cross multiply
    310,902.80x = 466,354.20 × 236,253.20
  4. Step 4: Simplify right side
    310,902.80x = 110,177,672,083.44
  5. Step 5: Solve for x
    x = 110,177,672,083.44/310,902.80
  6. Step 6: Final answer
    x = 354,379.80

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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.