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Finding the Fourth Proportional to 360,003.78, 540,344.66 and 182,638.08

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Solution

The fourth proportional to 360,003.78, 540,344.66 and 182,638.08 is: 274,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,003.78 : 540,344.66 = 182,638.08 : x
  2. Step 2: Convert to fraction form
    360,003.78/540,344.66 = 182,638.08/x
  3. Step 3: Cross multiply
    360,003.78x = 540,344.66 × 182,638.08
  4. Step 4: Simplify right side
    360,003.78x = 98,687,510,327.46
  5. Step 5: Solve for x
    x = 98,687,510,327.46/360,003.78
  6. Step 6: Final answer
    x = 274,129.09

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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.