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Finding the Fourth Proportional to 526,794.97, 726,977.04 and 285,077.54

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Solution

The fourth proportional to 526,794.97, 726,977.04 and 285,077.54 is: 393,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,794.97 : 726,977.04 = 285,077.54 : x
  2. Step 2: Convert to fraction form
    526,794.97/726,977.04 = 285,077.54/x
  3. Step 3: Cross multiply
    526,794.97x = 726,977.04 × 285,077.54
  4. Step 4: Simplify right side
    526,794.97x = 207,244,826,199.68
  5. Step 5: Solve for x
    x = 207,244,826,199.68/526,794.97
  6. Step 6: Final answer
    x = 393,407.00

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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.