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Finding the Fourth Proportional to 468,868.80, 703,390.86 and 153,342.84

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Solution

The fourth proportional to 468,868.80, 703,390.86 and 153,342.84 is: 230,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,868.80 : 703,390.86 = 153,342.84 : x
  2. Step 2: Convert to fraction form
    468,868.80/703,390.86 = 153,342.84/x
  3. Step 3: Cross multiply
    468,868.80x = 703,390.86 × 153,342.84
  4. Step 4: Simplify right side
    468,868.80x = 107,859,952,102.44
  5. Step 5: Solve for x
    x = 107,859,952,102.44/468,868.80
  6. Step 6: Final answer
    x = 230,042.93

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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.