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Finding the Fourth Proportional to 264,019.80, 396,029.70 and 159,043.80

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Solution

The fourth proportional to 264,019.80, 396,029.70 and 159,043.80 is: 238,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,019.80 : 396,029.70 = 159,043.80 : x
  2. Step 2: Convert to fraction form
    264,019.80/396,029.70 = 159,043.80/x
  3. Step 3: Cross multiply
    264,019.80x = 396,029.70 × 159,043.80
  4. Step 4: Simplify right side
    264,019.80x = 62,986,068,400.86
  5. Step 5: Solve for x
    x = 62,986,068,400.86/264,019.80
  6. Step 6: Final answer
    x = 238,565.70

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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.