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Finding the Fourth Proportional to 207,617.45, 310,934.10 and 207,617.45

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Solution

The fourth proportional to 207,617.45, 310,934.10 and 207,617.45 is: 310,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,617.45 : 310,934.10 = 207,617.45 : x
  2. Step 2: Convert to fraction form
    207,617.45/310,934.10 = 207,617.45/x
  3. Step 3: Cross multiply
    207,617.45x = 310,934.10 × 207,617.45
  4. Step 4: Simplify right side
    207,617.45x = 64,555,344,960.05
  5. Step 5: Solve for x
    x = 64,555,344,960.05/207,617.45
  6. Step 6: Final answer
    x = 310,934.10

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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.