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Finding the Fourth Proportional to 313,280.46, 432,327.07 and 170,040.47

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Solution

The fourth proportional to 313,280.46, 432,327.07 and 170,040.47 is: 234,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280.46 : 432,327.07 = 170,040.47 : x
  2. Step 2: Convert to fraction form
    313,280.46/432,327.07 = 170,040.47/x
  3. Step 3: Cross multiply
    313,280.46x = 432,327.07 × 170,040.47
  4. Step 4: Simplify right side
    313,280.46x = 73,513,096,227.44
  5. Step 5: Solve for x
    x = 73,513,096,227.44/313,280.46
  6. Step 6: Final answer
    x = 234,655.86

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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.