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Finding the Fourth Proportional to 441,657.48, 662,472.09 and 185,625.69

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Solution

The fourth proportional to 441,657.48, 662,472.09 and 185,625.69 is: 278,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,657.48 : 662,472.09 = 185,625.69 : x
  2. Step 2: Convert to fraction form
    441,657.48/662,472.09 = 185,625.69/x
  3. Step 3: Cross multiply
    441,657.48x = 662,472.09 × 185,625.69
  4. Step 4: Simplify right side
    441,657.48x = 122,971,838,811.99
  5. Step 5: Solve for x
    x = 122,971,838,811.99/441,657.48
  6. Step 6: Final answer
    x = 278,432.60

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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.