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Finding the Fourth Proportional to 334,588.92, 501,575.34 and 144,930.12

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Solution

The fourth proportional to 334,588.92, 501,575.34 and 144,930.12 is: 217,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,588.92 : 501,575.34 = 144,930.12 : x
  2. Step 2: Convert to fraction form
    334,588.92/501,575.34 = 144,930.12/x
  3. Step 3: Cross multiply
    334,588.92x = 501,575.34 × 144,930.12
  4. Step 4: Simplify right side
    334,588.92x = 72,693,374,215.24
  5. Step 5: Solve for x
    x = 72,693,374,215.24/334,588.92
  6. Step 6: Final answer
    x = 217,261.75

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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.