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Finding the Fourth Proportional to 497,741.70, 746,612.55 and 165,317.70

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Solution

The fourth proportional to 497,741.70, 746,612.55 and 165,317.70 is: 247,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741.70 : 746,612.55 = 165,317.70 : x
  2. Step 2: Convert to fraction form
    497,741.70/746,612.55 = 165,317.70/x
  3. Step 3: Cross multiply
    497,741.70x = 746,612.55 × 165,317.70
  4. Step 4: Simplify right side
    497,741.70x = 123,428,269,557.14
  5. Step 5: Solve for x
    x = 123,428,269,557.14/497,741.70
  6. Step 6: Final answer
    x = 247,976.55

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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.