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Finding the Fourth Proportional to 261,552.65, 360,849.74 and 170,960.83

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Solution

The fourth proportional to 261,552.65, 360,849.74 and 170,960.83 is: 235,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,552.65 : 360,849.74 = 170,960.83 : x
  2. Step 2: Convert to fraction form
    261,552.65/360,849.74 = 170,960.83/x
  3. Step 3: Cross multiply
    261,552.65x = 360,849.74 × 170,960.83
  4. Step 4: Simplify right side
    261,552.65x = 61,691,169,298.76
  5. Step 5: Solve for x
    x = 61,691,169,298.76/261,552.65
  6. Step 6: Final answer
    x = 235,865.21

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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.