Home / 381,818.28-527,030.10-268,971.24

Finding the Fourth Proportional to 381,818.28, 527,030.10 and 268,971.24

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Solution

The fourth proportional to 381,818.28, 527,030.10 and 268,971.24 is: 371,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,818.28 : 527,030.10 = 268,971.24 : x
  2. Step 2: Convert to fraction form
    381,818.28/527,030.10 = 268,971.24/x
  3. Step 3: Cross multiply
    381,818.28x = 527,030.10 × 268,971.24
  4. Step 4: Simplify right side
    381,818.28x = 141,755,939,514.32
  5. Step 5: Solve for x
    x = 141,755,939,514.32/381,818.28
  6. Step 6: Final answer
    x = 371,265.46

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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.