Home / 381,337.33-526,244.06-209,258.17

Finding the Fourth Proportional to 381,337.33, 526,244.06 and 209,258.17

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Solution

The fourth proportional to 381,337.33, 526,244.06 and 209,258.17 is: 288,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,337.33 : 526,244.06 = 209,258.17 : x
  2. Step 2: Convert to fraction form
    381,337.33/526,244.06 = 209,258.17/x
  3. Step 3: Cross multiply
    381,337.33x = 526,244.06 × 209,258.17
  4. Step 4: Simplify right side
    381,337.33x = 110,120,868,968.97
  5. Step 5: Solve for x
    x = 110,120,868,968.97/381,337.33
  6. Step 6: Final answer
    x = 288,775.48

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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.