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Finding the Fourth Proportional to 452,508.80, 677,858.08 and 272,494.40

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Solution

The fourth proportional to 452,508.80, 677,858.08 and 272,494.40 is: 408,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,508.80 : 677,858.08 = 272,494.40 : x
  2. Step 2: Convert to fraction form
    452,508.80/677,858.08 = 272,494.40/x
  3. Step 3: Cross multiply
    452,508.80x = 677,858.08 × 272,494.40
  4. Step 4: Simplify right side
    452,508.80x = 184,712,530,794.75
  5. Step 5: Solve for x
    x = 184,712,530,794.75/452,508.80
  6. Step 6: Final answer
    x = 408,196.55

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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.