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Finding the Fourth Proportional to 426,226.40, 588,268.72 and 254,155.48

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Solution

The fourth proportional to 426,226.40, 588,268.72 and 254,155.48 is: 350,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,226.40 : 588,268.72 = 254,155.48 : x
  2. Step 2: Convert to fraction form
    426,226.40/588,268.72 = 254,155.48/x
  3. Step 3: Cross multiply
    426,226.40x = 588,268.72 × 254,155.48
  4. Step 4: Simplify right side
    426,226.40x = 149,511,718,900.59
  5. Step 5: Solve for x
    x = 149,511,718,900.59/426,226.40
  6. Step 6: Final answer
    x = 350,780.05

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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.