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Finding the Fourth Proportional to 334,536.40, 501,124.20 and 207,787.60

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Solution

The fourth proportional to 334,536.40, 501,124.20 and 207,787.60 is: 311,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,536.40 : 501,124.20 = 207,787.60 : x
  2. Step 2: Convert to fraction form
    334,536.40/501,124.20 = 207,787.60/x
  3. Step 3: Cross multiply
    334,536.40x = 501,124.20 × 207,787.60
  4. Step 4: Simplify right side
    334,536.40x = 104,127,394,819.92
  5. Step 5: Solve for x
    x = 104,127,394,819.92/334,536.40
  6. Step 6: Final answer
    x = 311,258.79

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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.