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Finding the Fourth Proportional to 526,512.92, 726,587.91 and 284,795.42

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Solution

The fourth proportional to 526,512.92, 726,587.91 and 284,795.42 is: 393,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,512.92 : 726,587.91 = 284,795.42 : x
  2. Step 2: Convert to fraction form
    526,512.92/726,587.91 = 284,795.42/x
  3. Step 3: Cross multiply
    526,512.92x = 726,587.91 × 284,795.42
  4. Step 4: Simplify right side
    526,512.92x = 206,928,905,362.43
  5. Step 5: Solve for x
    x = 206,928,905,362.43/526,512.92
  6. Step 6: Final answer
    x = 393,017.72

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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.