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Finding the Fourth Proportional to 334,432.74, 501,647.73 and 121,150.71

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Solution

The fourth proportional to 334,432.74, 501,647.73 and 121,150.71 is: 181,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,432.74 : 501,647.73 = 121,150.71 : x
  2. Step 2: Convert to fraction form
    334,432.74/501,647.73 = 121,150.71/x
  3. Step 3: Cross multiply
    334,432.74x = 501,647.73 × 121,150.71
  4. Step 4: Simplify right side
    334,432.74x = 60,774,978,659.39
  5. Step 5: Solve for x
    x = 60,774,978,659.39/334,432.74
  6. Step 6: Final answer
    x = 181,725.57

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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.