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Finding the Fourth Proportional to 664,575.74, 996,863.52 and 366,948.74

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Solution

The fourth proportional to 664,575.74, 996,863.52 and 366,948.74 is: 550,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,575.74 : 996,863.52 = 366,948.74 : x
  2. Step 2: Convert to fraction form
    664,575.74/996,863.52 = 366,948.74/x
  3. Step 3: Cross multiply
    664,575.74x = 996,863.52 × 366,948.74
  4. Step 4: Simplify right side
    664,575.74x = 365,797,812,615.97
  5. Step 5: Solve for x
    x = 365,797,812,615.97/664,575.74
  6. Step 6: Final answer
    x = 550,423.06

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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.