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Finding the Fourth Proportional to 452,688.54, 679,137.84 and 132,827.55

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Solution

The fourth proportional to 452,688.54, 679,137.84 and 132,827.55 is: 199,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,688.54 : 679,137.84 = 132,827.55 : x
  2. Step 2: Convert to fraction form
    452,688.54/679,137.84 = 132,827.55/x
  3. Step 3: Cross multiply
    452,688.54x = 679,137.84 × 132,827.55
  4. Step 4: Simplify right side
    452,688.54x = 90,208,215,399.49
  5. Step 5: Solve for x
    x = 90,208,215,399.49/452,688.54
  6. Step 6: Final answer
    x = 199,272.14

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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.