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Finding the Fourth Proportional to 526,760.44, 726,931.33 and 285,043.01

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Solution

The fourth proportional to 526,760.44, 726,931.33 and 285,043.01 is: 393,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,760.44 : 726,931.33 = 285,043.01 : x
  2. Step 2: Convert to fraction form
    526,760.44/726,931.33 = 285,043.01/x
  3. Step 3: Cross multiply
    526,760.44x = 726,931.33 × 285,043.01
  4. Step 4: Simplify right side
    526,760.44x = 207,206,694,366.50
  5. Step 5: Solve for x
    x = 207,206,694,366.50/526,760.44
  6. Step 6: Final answer
    x = 393,360.39

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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.