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Finding the Fourth Proportional to 600,309.60, 828,416.36 and 328,375.11

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Solution

The fourth proportional to 600,309.60, 828,416.36 and 328,375.11 is: 453,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,309.60 : 828,416.36 = 328,375.11 : x
  2. Step 2: Convert to fraction form
    600,309.60/828,416.36 = 328,375.11/x
  3. Step 3: Cross multiply
    600,309.60x = 828,416.36 × 328,375.11
  4. Step 4: Simplify right side
    600,309.60x = 272,031,315,520.85
  5. Step 5: Solve for x
    x = 272,031,315,520.85/600,309.60
  6. Step 6: Final answer
    x = 453,151.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.