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Finding the Fourth Proportional to 344,679.36, 517,161.52 and 152,452.72

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Solution

The fourth proportional to 344,679.36, 517,161.52 and 152,452.72 is: 228,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,679.36 : 517,161.52 = 152,452.72 : x
  2. Step 2: Convert to fraction form
    344,679.36/517,161.52 = 152,452.72/x
  3. Step 3: Cross multiply
    344,679.36x = 517,161.52 × 152,452.72
  4. Step 4: Simplify right side
    344,679.36x = 78,842,680,403.33
  5. Step 5: Solve for x
    x = 78,842,680,403.33/344,679.36
  6. Step 6: Final answer
    x = 228,742.10

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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.