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Finding the Fourth Proportional to 527,143.70, 790,792.80 and 167,194.46

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Solution

The fourth proportional to 527,143.70, 790,792.80 and 167,194.46 is: 250,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,143.70 : 790,792.80 = 167,194.46 : x
  2. Step 2: Convert to fraction form
    527,143.70/790,792.80 = 167,194.46/x
  3. Step 3: Cross multiply
    527,143.70x = 790,792.80 × 167,194.46
  4. Step 4: Simplify right side
    527,143.70x = 132,216,175,167.89
  5. Step 5: Solve for x
    x = 132,216,175,167.89/527,143.70
  6. Step 6: Final answer
    x = 250,816.19

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1.5x scale

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.