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Finding the Fourth Proportional to 437,344.80, 656,054.78 and 121,801.71

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Solution

The fourth proportional to 437,344.80, 656,054.78 and 121,801.71 is: 182,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,344.80 : 656,054.78 = 121,801.71 : x
  2. Step 2: Convert to fraction form
    437,344.80/656,054.78 = 121,801.71/x
  3. Step 3: Cross multiply
    437,344.80x = 656,054.78 × 121,801.71
  4. Step 4: Simplify right side
    437,344.80x = 79,908,594,057.67
  5. Step 5: Solve for x
    x = 79,908,594,057.67/437,344.80
  6. Step 6: Final answer
    x = 182,713.03

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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.