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Finding the Fourth Proportional to 243,581.20, 365,026.20 and 179,904.40

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Solution

The fourth proportional to 243,581.20, 365,026.20 and 179,904.40 is: 269,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,581.20 : 365,026.20 = 179,904.40 : x
  2. Step 2: Convert to fraction form
    243,581.20/365,026.20 = 179,904.40/x
  3. Step 3: Cross multiply
    243,581.20x = 365,026.20 × 179,904.40
  4. Step 4: Simplify right side
    243,581.20x = 65,669,819,495.28
  5. Step 5: Solve for x
    x = 65,669,819,495.28/243,581.20
  6. Step 6: Final answer
    x = 269,601.35

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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.