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Finding the Fourth Proportional to 488,441.10, 732,661.65 and 454,226.70

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Solution

The fourth proportional to 488,441.10, 732,661.65 and 454,226.70 is: 681,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,441.10 : 732,661.65 = 454,226.70 : x
  2. Step 2: Convert to fraction form
    488,441.10/732,661.65 = 454,226.70/x
  3. Step 3: Cross multiply
    488,441.10x = 732,661.65 × 454,226.70
  4. Step 4: Simplify right side
    488,441.10x = 332,794,483,496.06
  5. Step 5: Solve for x
    x = 332,794,483,496.06/488,441.10
  6. Step 6: Final answer
    x = 681,340.05

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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.