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Finding the Fourth Proportional to 547,477.60, 755,085.36 and 332,611.60

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Solution

The fourth proportional to 547,477.60, 755,085.36 and 332,611.60 is: 458,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,477.60 : 755,085.36 = 332,611.60 : x
  2. Step 2: Convert to fraction form
    547,477.60/755,085.36 = 332,611.60/x
  3. Step 3: Cross multiply
    547,477.60x = 755,085.36 × 332,611.60
  4. Step 4: Simplify right side
    547,477.60x = 251,150,149,726.18
  5. Step 5: Solve for x
    x = 251,150,149,726.18/547,477.60
  6. Step 6: Final answer
    x = 458,740.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.