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Finding the Fourth Proportional to 327,165.60, 490,748.40 and 307,466.40

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Solution

The fourth proportional to 327,165.60, 490,748.40 and 307,466.40 is: 461,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,165.60 : 490,748.40 = 307,466.40 : x
  2. Step 2: Convert to fraction form
    327,165.60/490,748.40 = 307,466.40/x
  3. Step 3: Cross multiply
    327,165.60x = 490,748.40 × 307,466.40
  4. Step 4: Simplify right side
    327,165.60x = 150,888,643,853.76
  5. Step 5: Solve for x
    x = 150,888,643,853.76/327,165.60
  6. Step 6: Final answer
    x = 461,199.60

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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.