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Finding the Fourth Proportional to 262,042.60, 393,063.90 and 167,564.20

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Solution

The fourth proportional to 262,042.60, 393,063.90 and 167,564.20 is: 251,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,042.60 : 393,063.90 = 167,564.20 : x
  2. Step 2: Convert to fraction form
    262,042.60/393,063.90 = 167,564.20/x
  3. Step 3: Cross multiply
    262,042.60x = 393,063.90 × 167,564.20
  4. Step 4: Simplify right side
    262,042.60x = 65,863,437,952.38
  5. Step 5: Solve for x
    x = 65,863,437,952.38/262,042.60
  6. Step 6: Final answer
    x = 251,346.30

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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.