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Finding the Fourth Proportional to 313,292.68, 432,332.30 and 170,049.66

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Solution

The fourth proportional to 313,292.68, 432,332.30 and 170,049.66 is: 234,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,292.68 : 432,332.30 = 170,049.66 : x
  2. Step 2: Convert to fraction form
    313,292.68/432,332.30 = 170,049.66/x
  3. Step 3: Cross multiply
    313,292.68x = 432,332.30 × 170,049.66
  4. Step 4: Simplify right side
    313,292.68x = 73,517,960,622.02
  5. Step 5: Solve for x
    x = 73,517,960,622.02/313,292.68
  6. Step 6: Final answer
    x = 234,662.24

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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.