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Finding the Fourth Proportional to 251,329.80, 376,994.70 and 223,773.60

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Solution

The fourth proportional to 251,329.80, 376,994.70 and 223,773.60 is: 335,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,329.80 : 376,994.70 = 223,773.60 : x
  2. Step 2: Convert to fraction form
    251,329.80/376,994.70 = 223,773.60/x
  3. Step 3: Cross multiply
    251,329.80x = 376,994.70 × 223,773.60
  4. Step 4: Simplify right side
    251,329.80x = 84,361,461,199.92
  5. Step 5: Solve for x
    x = 84,361,461,199.92/251,329.80
  6. Step 6: Final answer
    x = 335,660.40

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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.