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Finding the Fourth Proportional to 482,710.60, 724,325.10 and 202,256.20

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Solution

The fourth proportional to 482,710.60, 724,325.10 and 202,256.20 is: 303,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,710.60 : 724,325.10 = 202,256.20 : x
  2. Step 2: Convert to fraction form
    482,710.60/724,325.10 = 202,256.20/x
  3. Step 3: Cross multiply
    482,710.60x = 724,325.10 × 202,256.20
  4. Step 4: Simplify right side
    482,710.60x = 146,499,242,290.62
  5. Step 5: Solve for x
    x = 146,499,242,290.62/482,710.60
  6. Step 6: Final answer
    x = 303,492.91

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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.