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Finding the Fourth Proportional to 482,803.30, 724,291.35 and 202,348.90

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Solution

The fourth proportional to 482,803.30, 724,291.35 and 202,348.90 is: 303,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,803.30 : 724,291.35 = 202,348.90 : x
  2. Step 2: Convert to fraction form
    482,803.30/724,291.35 = 202,348.90/x
  3. Step 3: Cross multiply
    482,803.30x = 724,291.35 × 202,348.90
  4. Step 4: Simplify right side
    482,803.30x = 146,559,557,952.02
  5. Step 5: Solve for x
    x = 146,559,557,952.02/482,803.30
  6. Step 6: Final answer
    x = 303,559.56

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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.