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Finding the Fourth Proportional to 261,253.50, 360,606.78 and 170,623.41

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Solution

The fourth proportional to 261,253.50, 360,606.78 and 170,623.41 is: 235,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,253.50 : 360,606.78 = 170,623.41 : x
  2. Step 2: Convert to fraction form
    261,253.50/360,606.78 = 170,623.41/x
  3. Step 3: Cross multiply
    261,253.50x = 360,606.78 × 170,623.41
  4. Step 4: Simplify right side
    261,253.50x = 61,527,958,472.72
  5. Step 5: Solve for x
    x = 61,527,958,472.72/261,253.50
  6. Step 6: Final answer
    x = 235,510.56

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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.