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Finding the Fourth Proportional to 482,908.60, 724,622.10 and 202,454.20

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Solution

The fourth proportional to 482,908.60, 724,622.10 and 202,454.20 is: 303,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,908.60 : 724,622.10 = 202,454.20 : x
  2. Step 2: Convert to fraction form
    482,908.60/724,622.10 = 202,454.20/x
  3. Step 3: Cross multiply
    482,908.60x = 724,622.10 × 202,454.20
  4. Step 4: Simplify right side
    482,908.60x = 146,702,787,557.82
  5. Step 5: Solve for x
    x = 146,702,787,557.82/482,908.60
  6. Step 6: Final answer
    x = 303,789.97

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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.