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Finding the Fourth Proportional to 334,451.63, 501,672.35 and 231,774.21

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Solution

The fourth proportional to 334,451.63, 501,672.35 and 231,774.21 is: 347,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,451.63 : 501,672.35 = 231,774.21 : x
  2. Step 2: Convert to fraction form
    334,451.63/501,672.35 = 231,774.21/x
  3. Step 3: Cross multiply
    334,451.63x = 501,672.35 × 231,774.21
  4. Step 4: Simplify right side
    334,451.63x = 116,274,713,179.53
  5. Step 5: Solve for x
    x = 116,274,713,179.53/334,451.63
  6. Step 6: Final answer
    x = 347,657.78

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1.5x scale

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.