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Finding the Fourth Proportional to 224,617.60, 336,004.80 and 202,499.20

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Solution

The fourth proportional to 224,617.60, 336,004.80 and 202,499.20 is: 302,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,617.60 : 336,004.80 = 202,499.20 : x
  2. Step 2: Convert to fraction form
    224,617.60/336,004.80 = 202,499.20/x
  3. Step 3: Cross multiply
    224,617.60x = 336,004.80 × 202,499.20
  4. Step 4: Simplify right side
    224,617.60x = 68,040,703,196.16
  5. Step 5: Solve for x
    x = 68,040,703,196.16/224,617.60
  6. Step 6: Final answer
    x = 302,917.95

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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.