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Finding the Fourth Proportional to 610,873.14, 916,363.56 and 226,626.45

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Solution

The fourth proportional to 610,873.14, 916,363.56 and 226,626.45 is: 339,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,873.14 : 916,363.56 = 226,626.45 : x
  2. Step 2: Convert to fraction form
    610,873.14/916,363.56 = 226,626.45/x
  3. Step 3: Cross multiply
    610,873.14x = 916,363.56 × 226,626.45
  4. Step 4: Simplify right side
    610,873.14x = 207,672,220,512.16
  5. Step 5: Solve for x
    x = 207,672,220,512.16/610,873.14
  6. Step 6: Final answer
    x = 339,959.65

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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.