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Finding the Fourth Proportional to 497,687.20, 746,530.80 and 295,608.40

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Solution

The fourth proportional to 497,687.20, 746,530.80 and 295,608.40 is: 443,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,687.20 : 746,530.80 = 295,608.40 : x
  2. Step 2: Convert to fraction form
    497,687.20/746,530.80 = 295,608.40/x
  3. Step 3: Cross multiply
    497,687.20x = 746,530.80 × 295,608.40
  4. Step 4: Simplify right side
    497,687.20x = 220,680,775,338.72
  5. Step 5: Solve for x
    x = 220,680,775,338.72/497,687.20
  6. Step 6: Final answer
    x = 443,412.60

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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.