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Finding the Fourth Proportional to 657,958.52, 986,871.36 and 446,086.82

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Solution

The fourth proportional to 657,958.52, 986,871.36 and 446,086.82 is: 669,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,958.52 : 986,871.36 = 446,086.82 : x
  2. Step 2: Convert to fraction form
    657,958.52/986,871.36 = 446,086.82/x
  3. Step 3: Cross multiply
    657,958.52x = 986,871.36 × 446,086.82
  4. Step 4: Simplify right side
    657,958.52x = 440,230,306,731.48
  5. Step 5: Solve for x
    x = 440,230,306,731.48/657,958.52
  6. Step 6: Final answer
    x = 669,085.20

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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.