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Finding the Fourth Proportional to 482,863.60, 724,554.60 and 202,409.20

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Solution

The fourth proportional to 482,863.60, 724,554.60 and 202,409.20 is: 303,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,863.60 : 724,554.60 = 202,409.20 : x
  2. Step 2: Convert to fraction form
    482,863.60/724,554.60 = 202,409.20/x
  3. Step 3: Cross multiply
    482,863.60x = 724,554.60 × 202,409.20
  4. Step 4: Simplify right side
    482,863.60x = 146,656,516,942.32
  5. Step 5: Solve for x
    x = 146,656,516,942.32/482,863.60
  6. Step 6: Final answer
    x = 303,722.45

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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.