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Finding the Fourth Proportional to 497,470.79, 746,206.19 and 123,493.79

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Solution

The fourth proportional to 497,470.79, 746,206.19 and 123,493.79 is: 185,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,470.79 : 746,206.19 = 123,493.79 : x
  2. Step 2: Convert to fraction form
    497,470.79/746,206.19 = 123,493.79/x
  3. Step 3: Cross multiply
    497,470.79x = 746,206.19 × 123,493.79
  4. Step 4: Simplify right side
    497,470.79x = 92,151,830,524.56
  5. Step 5: Solve for x
    x = 92,151,830,524.56/497,470.79
  6. Step 6: Final answer
    x = 185,240.69

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Double scale
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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.