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Finding the Fourth Proportional to 323,832.60, 485,748.90 and 302,837.40

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Solution

The fourth proportional to 323,832.60, 485,748.90 and 302,837.40 is: 454,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,832.60 : 485,748.90 = 302,837.40 : x
  2. Step 2: Convert to fraction form
    323,832.60/485,748.90 = 302,837.40/x
  3. Step 3: Cross multiply
    323,832.60x = 485,748.90 × 302,837.40
  4. Step 4: Simplify right side
    323,832.60x = 147,102,933,928.86
  5. Step 5: Solve for x
    x = 147,102,933,928.86/323,832.60
  6. Step 6: Final answer
    x = 454,256.10

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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.