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Finding the Fourth Proportional to 334,400.40, 501,600.60 and 123,994.80

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Solution

The fourth proportional to 334,400.40, 501,600.60 and 123,994.80 is: 185,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,400.40 : 501,600.60 = 123,994.80 : x
  2. Step 2: Convert to fraction form
    334,400.40/501,600.60 = 123,994.80/x
  3. Step 3: Cross multiply
    334,400.40x = 501,600.60 × 123,994.80
  4. Step 4: Simplify right side
    334,400.40x = 62,195,866,076.88
  5. Step 5: Solve for x
    x = 62,195,866,076.88/334,400.40
  6. Step 6: Final answer
    x = 185,992.20

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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.