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Finding the Fourth Proportional to 647,232.45, 970,862.52 and 167,470.62

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Solution

The fourth proportional to 647,232.45, 970,862.52 and 167,470.62 is: 251,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,232.45 : 970,862.52 = 167,470.62 : x
  2. Step 2: Convert to fraction form
    647,232.45/970,862.52 = 167,470.62/x
  3. Step 3: Cross multiply
    647,232.45x = 970,862.52 × 167,470.62
  4. Step 4: Simplify right side
    647,232.45x = 162,590,948,159.16
  5. Step 5: Solve for x
    x = 162,590,948,159.16/647,232.45
  6. Step 6: Final answer
    x = 251,209.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.