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Finding the Fourth Proportional to 338,802, 508,213.53 and 125,622.96

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Solution

The fourth proportional to 338,802, 508,213.53 and 125,622.96 is: 188,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,802 : 508,213.53 = 125,622.96 : x
  2. Step 2: Convert to fraction form
    338,802/508,213.53 = 125,622.96/x
  3. Step 3: Cross multiply
    338,802x = 508,213.53 × 125,622.96
  4. Step 4: Simplify right side
    338,802x = 63,843,287,950.65
  5. Step 5: Solve for x
    x = 63,843,287,950.65/338,802
  6. Step 6: Final answer
    x = 188,438.34

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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.