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Finding the Fourth Proportional to 484,480.60, 726,720.90 and 297,856.60

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Solution

The fourth proportional to 484,480.60, 726,720.90 and 297,856.60 is: 446,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,480.60 : 726,720.90 = 297,856.60 : x
  2. Step 2: Convert to fraction form
    484,480.60/726,720.90 = 297,856.60/x
  3. Step 3: Cross multiply
    484,480.60x = 726,720.90 × 297,856.60
  4. Step 4: Simplify right side
    484,480.60x = 216,458,616,422.94
  5. Step 5: Solve for x
    x = 216,458,616,422.94/484,480.60
  6. Step 6: Final answer
    x = 446,784.90

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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.