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Finding the Fourth Proportional to 331,601.60, 497,402.40 and 302,571.20

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Solution

The fourth proportional to 331,601.60, 497,402.40 and 302,571.20 is: 453,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,601.60 : 497,402.40 = 302,571.20 : x
  2. Step 2: Convert to fraction form
    331,601.60/497,402.40 = 302,571.20/x
  3. Step 3: Cross multiply
    331,601.60x = 497,402.40 × 302,571.20
  4. Step 4: Simplify right side
    331,601.60x = 150,499,641,050.88
  5. Step 5: Solve for x
    x = 150,499,641,050.88/331,601.60
  6. Step 6: Final answer
    x = 453,856.80

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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.