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Finding the Fourth Proportional to 526,638.04, 726,758.52 and 284,919.84

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Solution

The fourth proportional to 526,638.04, 726,758.52 and 284,919.84 is: 393,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,638.04 : 726,758.52 = 284,919.84 : x
  2. Step 2: Convert to fraction form
    526,638.04/726,758.52 = 284,919.84/x
  3. Step 3: Cross multiply
    526,638.04x = 726,758.52 × 284,919.84
  4. Step 4: Simplify right side
    526,638.04x = 207,067,921,237.04
  5. Step 5: Solve for x
    x = 207,067,921,237.04/526,638.04
  6. Step 6: Final answer
    x = 393,188.31

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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.