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Finding the Fourth Proportional to 526,596.90, 726,702.14 and 284,879.44

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Solution

The fourth proportional to 526,596.90, 726,702.14 and 284,879.44 is: 393,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,596.90 : 726,702.14 = 284,879.44 : x
  2. Step 2: Convert to fraction form
    526,596.90/726,702.14 = 284,879.44/x
  3. Step 3: Cross multiply
    526,596.90x = 726,702.14 × 284,879.44
  4. Step 4: Simplify right side
    526,596.90x = 207,022,498,690.00
  5. Step 5: Solve for x
    x = 207,022,498,690.00/526,596.90
  6. Step 6: Final answer
    x = 393,132.77

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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.