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Finding the Fourth Proportional to 402,847.97, 603,727.62 and 153,393.89

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Solution

The fourth proportional to 402,847.97, 603,727.62 and 153,393.89 is: 229,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,847.97 : 603,727.62 = 153,393.89 : x
  2. Step 2: Convert to fraction form
    402,847.97/603,727.62 = 153,393.89/x
  3. Step 3: Cross multiply
    402,847.97x = 603,727.62 × 153,393.89
  4. Step 4: Simplify right side
    402,847.97x = 92,608,128,132.24
  5. Step 5: Solve for x
    x = 92,608,128,132.24/402,847.97
  6. Step 6: Final answer
    x = 229,883.57

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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.