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Finding the Fourth Proportional to 482,692.60, 724,298.10 and 202,238.20

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Solution

The fourth proportional to 482,692.60, 724,298.10 and 202,238.20 is: 303,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,692.60 : 724,298.10 = 202,238.20 : x
  2. Step 2: Convert to fraction form
    482,692.60/724,298.10 = 202,238.20/x
  3. Step 3: Cross multiply
    482,692.60x = 724,298.10 × 202,238.20
  4. Step 4: Simplify right side
    482,692.60x = 146,480,744,007.42
  5. Step 5: Solve for x
    x = 146,480,744,007.42/482,692.60
  6. Step 6: Final answer
    x = 303,465.90

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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.