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Finding the Fourth Proportional to 471,180.76, 706,620.42 and 155,578.84

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Solution

The fourth proportional to 471,180.76, 706,620.42 and 155,578.84 is: 233,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,180.76 : 706,620.42 = 155,578.84 : x
  2. Step 2: Convert to fraction form
    471,180.76/706,620.42 = 155,578.84/x
  3. Step 3: Cross multiply
    471,180.76x = 706,620.42 × 155,578.84
  4. Step 4: Simplify right side
    471,180.76x = 109,935,185,263.91
  5. Step 5: Solve for x
    x = 109,935,185,263.91/471,180.76
  6. Step 6: Final answer
    x = 233,318.49

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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.