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Finding the Fourth Proportional to 262,058.60, 393,087.90 and 167,580.20

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Solution

The fourth proportional to 262,058.60, 393,087.90 and 167,580.20 is: 251,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,058.60 : 393,087.90 = 167,580.20 : x
  2. Step 2: Convert to fraction form
    262,058.60/393,087.90 = 167,580.20/x
  3. Step 3: Cross multiply
    262,058.60x = 393,087.90 × 167,580.20
  4. Step 4: Simplify right side
    262,058.60x = 65,873,748,899.58
  5. Step 5: Solve for x
    x = 65,873,748,899.58/262,058.60
  6. Step 6: Final answer
    x = 251,370.30

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Similar ratio
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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.