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Finding the Fourth Proportional to 313,359.44, 432,440.52 and 170,119.76

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Solution

The fourth proportional to 313,359.44, 432,440.52 and 170,119.76 is: 234,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,359.44 : 432,440.52 = 170,119.76 : x
  2. Step 2: Convert to fraction form
    313,359.44/432,440.52 = 170,119.76/x
  3. Step 3: Cross multiply
    313,359.44x = 432,440.52 × 170,119.76
  4. Step 4: Simplify right side
    313,359.44x = 73,566,677,476.68
  5. Step 5: Solve for x
    x = 73,566,677,476.68/313,359.44
  6. Step 6: Final answer
    x = 234,767.71

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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.