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Finding the Fourth Proportional to 462,395.93, 693,608.13 and 125,435.25

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Solution

The fourth proportional to 462,395.93, 693,608.13 and 125,435.25 is: 188,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,395.93 : 693,608.13 = 125,435.25 : x
  2. Step 2: Convert to fraction form
    462,395.93/693,608.13 = 125,435.25/x
  3. Step 3: Cross multiply
    462,395.93x = 693,608.13 × 125,435.25
  4. Step 4: Simplify right side
    462,395.93x = 87,002,909,188.58
  5. Step 5: Solve for x
    x = 87,002,909,188.58/462,395.93
  6. Step 6: Final answer
    x = 188,156.74

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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.