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Finding the Fourth Proportional to 313,750.69, 432,979.29 and 170,510.73

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Solution

The fourth proportional to 313,750.69, 432,979.29 and 170,510.73 is: 235,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,750.69 : 432,979.29 = 170,510.73 : x
  2. Step 2: Convert to fraction form
    313,750.69/432,979.29 = 170,510.73/x
  3. Step 3: Cross multiply
    313,750.69x = 432,979.29 × 170,510.73
  4. Step 4: Simplify right side
    313,750.69x = 73,827,614,812.78
  5. Step 5: Solve for x
    x = 73,827,614,812.78/313,750.69
  6. Step 6: Final answer
    x = 235,306.62

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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.