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Finding the Fourth Proportional to 452,822.64, 679,064.40 and 132,908.64

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Solution

The fourth proportional to 452,822.64, 679,064.40 and 132,908.64 is: 199,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,822.64 : 679,064.40 = 132,908.64 : x
  2. Step 2: Convert to fraction form
    452,822.64/679,064.40 = 132,908.64/x
  3. Step 3: Cross multiply
    452,822.64x = 679,064.40 × 132,908.64
  4. Step 4: Simplify right side
    452,822.64x = 90,253,525,876.42
  5. Step 5: Solve for x
    x = 90,253,525,876.42/452,822.64
  6. Step 6: Final answer
    x = 199,313.19

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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.