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Finding the Fourth Proportional to 343,952.62, 516,616.50 and 207,448.60

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Solution

The fourth proportional to 343,952.62, 516,616.50 and 207,448.60 is: 311,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,952.62 : 516,616.50 = 207,448.60 : x
  2. Step 2: Convert to fraction form
    343,952.62/516,616.50 = 207,448.60/x
  3. Step 3: Cross multiply
    343,952.62x = 516,616.50 × 207,448.60
  4. Step 4: Simplify right side
    343,952.62x = 107,171,369,661.90
  5. Step 5: Solve for x
    x = 107,171,369,661.90/343,952.62
  6. Step 6: Final answer
    x = 311,587.60

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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.