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Finding the Fourth Proportional to 437,833.96, 656,867.94 and 157,353.64

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Solution

The fourth proportional to 437,833.96, 656,867.94 and 157,353.64 is: 236,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,833.96 : 656,867.94 = 157,353.64 : x
  2. Step 2: Convert to fraction form
    437,833.96/656,867.94 = 157,353.64/x
  3. Step 3: Cross multiply
    437,833.96x = 656,867.94 × 157,353.64
  4. Step 4: Simplify right side
    437,833.96x = 103,360,561,358.30
  5. Step 5: Solve for x
    x = 103,360,561,358.30/437,833.96
  6. Step 6: Final answer
    x = 236,072.51

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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.