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Finding the Fourth Proportional to 344,462.61, 516,690.27 and 107,807.34

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Solution

The fourth proportional to 344,462.61, 516,690.27 and 107,807.34 is: 161,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,462.61 : 516,690.27 = 107,807.34 : x
  2. Step 2: Convert to fraction form
    344,462.61/516,690.27 = 107,807.34/x
  3. Step 3: Cross multiply
    344,462.61x = 516,690.27 × 107,807.34
  4. Step 4: Simplify right side
    344,462.61x = 55,703,003,612.58
  5. Step 5: Solve for x
    x = 55,703,003,612.58/344,462.61
  6. Step 6: Final answer
    x = 161,709.87

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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.