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Finding the Fourth Proportional to 238,087.62, 328,273.56 and 205,763.76

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Solution

The fourth proportional to 238,087.62, 328,273.56 and 205,763.76 is: 283,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,087.62 : 328,273.56 = 205,763.76 : x
  2. Step 2: Convert to fraction form
    238,087.62/328,273.56 = 205,763.76/x
  3. Step 3: Cross multiply
    238,087.62x = 328,273.56 × 205,763.76
  4. Step 4: Simplify right side
    238,087.62x = 67,546,802,014.19
  5. Step 5: Solve for x
    x = 67,546,802,014.19/238,087.62
  6. Step 6: Final answer
    x = 283,705.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.