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Finding the Fourth Proportional to 357,366.92, 536,050.38 and 278,540.60

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Solution

The fourth proportional to 357,366.92, 536,050.38 and 278,540.60 is: 417,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,366.92 : 536,050.38 = 278,540.60 : x
  2. Step 2: Convert to fraction form
    357,366.92/536,050.38 = 278,540.60/x
  3. Step 3: Cross multiply
    357,366.92x = 536,050.38 × 278,540.60
  4. Step 4: Simplify right side
    357,366.92x = 149,311,794,475.43
  5. Step 5: Solve for x
    x = 149,311,794,475.43/357,366.92
  6. Step 6: Final answer
    x = 417,810.90

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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.