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Finding the Fourth Proportional to 468,649.70, 702,974.55 and 113,663.15

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Solution

The fourth proportional to 468,649.70, 702,974.55 and 113,663.15 is: 170,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,649.70 : 702,974.55 = 113,663.15 : x
  2. Step 2: Convert to fraction form
    468,649.70/702,974.55 = 113,663.15/x
  3. Step 3: Cross multiply
    468,649.70x = 702,974.55 × 113,663.15
  4. Step 4: Simplify right side
    468,649.70x = 79,902,301,722.83
  5. Step 5: Solve for x
    x = 79,902,301,722.83/468,649.70
  6. Step 6: Final answer
    x = 170,494.73

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Similar ratio
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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.