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Finding the Fourth Proportional to 468,520.24, 646,545.96 and 261,790.24

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Solution

The fourth proportional to 468,520.24, 646,545.96 and 261,790.24 is: 361,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,520.24 : 646,545.96 = 261,790.24 : x
  2. Step 2: Convert to fraction form
    468,520.24/646,545.96 = 261,790.24/x
  3. Step 3: Cross multiply
    468,520.24x = 646,545.96 × 261,790.24
  4. Step 4: Simplify right side
    468,520.24x = 169,259,422,039.43
  5. Step 5: Solve for x
    x = 169,259,422,039.43/468,520.24
  6. Step 6: Final answer
    x = 361,263.84

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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.