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Finding the Fourth Proportional to 462,092.10, 693,138.15 and 394,440.90

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Solution

The fourth proportional to 462,092.10, 693,138.15 and 394,440.90 is: 591,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,092.10 : 693,138.15 = 394,440.90 : x
  2. Step 2: Convert to fraction form
    462,092.10/693,138.15 = 394,440.90/x
  3. Step 3: Cross multiply
    462,092.10x = 693,138.15 × 394,440.90
  4. Step 4: Simplify right side
    462,092.10x = 273,402,035,710.34
  5. Step 5: Solve for x
    x = 273,402,035,710.34/462,092.10
  6. Step 6: Final answer
    x = 591,661.35

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Similar ratio
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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.