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Finding the Fourth Proportional to 334,551.30, 501,660.90 and 121,310.70

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Solution

The fourth proportional to 334,551.30, 501,660.90 and 121,310.70 is: 181,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,551.30 : 501,660.90 = 121,310.70 : x
  2. Step 2: Convert to fraction form
    334,551.30/501,660.90 = 121,310.70/x
  3. Step 3: Cross multiply
    334,551.30x = 501,660.90 × 121,310.70
  4. Step 4: Simplify right side
    334,551.30x = 60,856,834,941.63
  5. Step 5: Solve for x
    x = 60,856,834,941.63/334,551.30
  6. Step 6: Final answer
    x = 181,905.84

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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.