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Finding the Fourth Proportional to 207,268.55, 310,902.83 and 207,268.55

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Solution

The fourth proportional to 207,268.55, 310,902.83 and 207,268.55 is: 310,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,268.55 : 310,902.83 = 207,268.55 : x
  2. Step 2: Convert to fraction form
    207,268.55/310,902.83 = 207,268.55/x
  3. Step 3: Cross multiply
    207,268.55x = 310,902.83 × 207,268.55
  4. Step 4: Simplify right side
    207,268.55x = 64,440,377,728.65
  5. Step 5: Solve for x
    x = 64,440,377,728.65/207,268.55
  6. Step 6: Final answer
    x = 310,902.83

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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.