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Finding the Fourth Proportional to 579,969.59, 868,790.25 and 295,648.65

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Solution

The fourth proportional to 579,969.59, 868,790.25 and 295,648.65 is: 442,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,969.59 : 868,790.25 = 295,648.65 : x
  2. Step 2: Convert to fraction form
    579,969.59/868,790.25 = 295,648.65/x
  3. Step 3: Cross multiply
    579,969.59x = 868,790.25 × 295,648.65
  4. Step 4: Simplify right side
    579,969.59x = 256,856,664,545.66
  5. Step 5: Solve for x
    x = 256,856,664,545.66/579,969.59
  6. Step 6: Final answer
    x = 442,879.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.