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Finding the Fourth Proportional to 334,388.88, 501,659.88 and 144,880.78

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Solution

The fourth proportional to 334,388.88, 501,659.88 and 144,880.78 is: 217,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,388.88 : 501,659.88 = 144,880.78 : x
  2. Step 2: Convert to fraction form
    334,388.88/501,659.88 = 144,880.78/x
  3. Step 3: Cross multiply
    334,388.88x = 501,659.88 × 144,880.78
  4. Step 4: Simplify right side
    334,388.88x = 72,680,874,709.11
  5. Step 5: Solve for x
    x = 72,680,874,709.11/334,388.88
  6. Step 6: Final answer
    x = 217,354.34

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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.