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Finding the Fourth Proportional to 334,611.78, 462,672.54 and 329,203.62

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Solution

The fourth proportional to 334,611.78, 462,672.54 and 329,203.62 is: 455,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,611.78 : 462,672.54 = 329,203.62 : x
  2. Step 2: Convert to fraction form
    334,611.78/462,672.54 = 329,203.62/x
  3. Step 3: Cross multiply
    334,611.78x = 462,672.54 × 329,203.62
  4. Step 4: Simplify right side
    334,611.78x = 152,313,475,042.60
  5. Step 5: Solve for x
    x = 152,313,475,042.60/334,611.78
  6. Step 6: Final answer
    x = 455,194.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.