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Finding the Fourth Proportional to 358,767.75, 538,217.75 and 148,422.09

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Solution

The fourth proportional to 358,767.75, 538,217.75 and 148,422.09 is: 222,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,767.75 : 538,217.75 = 148,422.09 : x
  2. Step 2: Convert to fraction form
    358,767.75/538,217.75 = 148,422.09/x
  3. Step 3: Cross multiply
    358,767.75x = 538,217.75 × 148,422.09
  4. Step 4: Simplify right side
    358,767.75x = 79,883,403,330.10
  5. Step 5: Solve for x
    x = 79,883,403,330.10/358,767.75
  6. Step 6: Final answer
    x = 222,660.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.