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Finding the Fourth Proportional to 457,125.83, 685,058.15 and 344,682.47

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Solution

The fourth proportional to 457,125.83, 685,058.15 and 344,682.47 is: 516,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,125.83 : 685,058.15 = 344,682.47 : x
  2. Step 2: Convert to fraction form
    457,125.83/685,058.15 = 344,682.47/x
  3. Step 3: Cross multiply
    457,125.83x = 685,058.15 × 344,682.47
  4. Step 4: Simplify right side
    457,125.83x = 236,127,530,086.93
  5. Step 5: Solve for x
    x = 236,127,530,086.93/457,125.83
  6. Step 6: Final answer
    x = 516,548.22

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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.