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Finding the Fourth Proportional to 208,350.65, 312,941.14 and 196,600.32

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Solution

The fourth proportional to 208,350.65, 312,941.14 and 196,600.32 is: 295,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,350.65 : 312,941.14 = 196,600.32 : x
  2. Step 2: Convert to fraction form
    208,350.65/312,941.14 = 196,600.32/x
  3. Step 3: Cross multiply
    208,350.65x = 312,941.14 × 196,600.32
  4. Step 4: Simplify right side
    208,350.65x = 61,524,327,773.66
  5. Step 5: Solve for x
    x = 61,524,327,773.66/208,350.65
  6. Step 6: Final answer
    x = 295,292.23

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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.