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Finding the Fourth Proportional to 346,589.60, 519,009.60 and 227,616.80

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Solution

The fourth proportional to 346,589.60, 519,009.60 and 227,616.80 is: 340,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,589.60 : 519,009.60 = 227,616.80 : x
  2. Step 2: Convert to fraction form
    346,589.60/519,009.60 = 227,616.80/x
  3. Step 3: Cross multiply
    346,589.60x = 519,009.60 × 227,616.80
  4. Step 4: Simplify right side
    346,589.60x = 118,135,304,321.28
  5. Step 5: Solve for x
    x = 118,135,304,321.28/346,589.60
  6. Step 6: Final answer
    x = 340,850.69

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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.