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Finding the Fourth Proportional to 526,359.66, 726,376.65 and 284,642.22

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Solution

The fourth proportional to 526,359.66, 726,376.65 and 284,642.22 is: 392,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,359.66 : 726,376.65 = 284,642.22 : x
  2. Step 2: Convert to fraction form
    526,359.66/726,376.65 = 284,642.22/x
  3. Step 3: Cross multiply
    526,359.66x = 726,376.65 × 284,642.22
  4. Step 4: Simplify right side
    526,359.66x = 206,757,460,788.95
  5. Step 5: Solve for x
    x = 206,757,460,788.95/526,359.66
  6. Step 6: Final answer
    x = 392,806.43

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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.