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Finding the Fourth Proportional to 451,680.39, 677,584.98 and 148,009.59

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Solution

The fourth proportional to 451,680.39, 677,584.98 and 148,009.59 is: 222,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,680.39 : 677,584.98 = 148,009.59 : x
  2. Step 2: Convert to fraction form
    451,680.39/677,584.98 = 148,009.59/x
  3. Step 3: Cross multiply
    451,680.39x = 677,584.98 × 148,009.59
  4. Step 4: Simplify right side
    451,680.39x = 100,289,075,079.96
  5. Step 5: Solve for x
    x = 100,289,075,079.96/451,680.39
  6. Step 6: Final answer
    x = 222,035.49

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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.