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Finding the Fourth Proportional to 929,591, 1,282,835.60 and 527,183

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Solution

The fourth proportional to 929,591, 1,282,835.60 and 527,183 is: 727,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,591 : 1,282,835.60 = 527,183 : x
  2. Step 2: Convert to fraction form
    929,591/1,282,835.60 = 527,183/x
  3. Step 3: Cross multiply
    929,591x = 1,282,835.60 × 527,183
  4. Step 4: Simplify right side
    929,591x = 676,289,120,114.80
  5. Step 5: Solve for x
    x = 676,289,120,114.80/929,591
  6. Step 6: Final answer
    x = 727,512.55

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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.