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Finding the Fourth Proportional to 351,697.20, 527,545.80 and 336,339.60

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Solution

The fourth proportional to 351,697.20, 527,545.80 and 336,339.60 is: 504,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,697.20 : 527,545.80 = 336,339.60 : x
  2. Step 2: Convert to fraction form
    351,697.20/527,545.80 = 336,339.60/x
  3. Step 3: Cross multiply
    351,697.20x = 527,545.80 × 336,339.60
  4. Step 4: Simplify right side
    351,697.20x = 177,434,543,353.68
  5. Step 5: Solve for x
    x = 177,434,543,353.68/351,697.20
  6. Step 6: Final answer
    x = 504,509.40

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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.