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Finding the Fourth Proportional to 653,242.72, 979,873.90 and 226,792.08

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Solution

The fourth proportional to 653,242.72, 979,873.90 and 226,792.08 is: 340,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,242.72 : 979,873.90 = 226,792.08 : x
  2. Step 2: Convert to fraction form
    653,242.72/979,873.90 = 226,792.08/x
  3. Step 3: Cross multiply
    653,242.72x = 979,873.90 × 226,792.08
  4. Step 4: Simplify right side
    653,242.72x = 222,227,639,918.71
  5. Step 5: Solve for x
    x = 222,227,639,918.71/653,242.72
  6. Step 6: Final answer
    x = 340,191.53

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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.