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Finding the Fourth Proportional to 275,686.10, 413,529.15 and 264,022.10

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Solution

The fourth proportional to 275,686.10, 413,529.15 and 264,022.10 is: 396,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,686.10 : 413,529.15 = 264,022.10 : x
  2. Step 2: Convert to fraction form
    275,686.10/413,529.15 = 264,022.10/x
  3. Step 3: Cross multiply
    275,686.10x = 413,529.15 × 264,022.10
  4. Step 4: Simplify right side
    275,686.10x = 109,180,834,594.22
  5. Step 5: Solve for x
    x = 109,180,834,594.22/275,686.10
  6. Step 6: Final answer
    x = 396,033.15

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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.