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Finding the Fourth Proportional to 261,570.74, 360,919.41 and 159,572.66

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Solution

The fourth proportional to 261,570.74, 360,919.41 and 159,572.66 is: 220,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,570.74 : 360,919.41 = 159,572.66 : x
  2. Step 2: Convert to fraction form
    261,570.74/360,919.41 = 159,572.66/x
  3. Step 3: Cross multiply
    261,570.74x = 360,919.41 × 159,572.66
  4. Step 4: Simplify right side
    261,570.74x = 57,592,870,299.33
  5. Step 5: Solve for x
    x = 57,592,870,299.33/261,570.74
  6. Step 6: Final answer
    x = 220,180.86

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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.