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Finding the Fourth Proportional to 627,977.60, 941,674.80 and 272,808.80

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Solution

The fourth proportional to 627,977.60, 941,674.80 and 272,808.80 is: 409,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,977.60 : 941,674.80 = 272,808.80 : x
  2. Step 2: Convert to fraction form
    627,977.60/941,674.80 = 272,808.80/x
  3. Step 3: Cross multiply
    627,977.60x = 941,674.80 × 272,808.80
  4. Step 4: Simplify right side
    627,977.60x = 256,897,172,178.24
  5. Step 5: Solve for x
    x = 256,897,172,178.24/627,977.60
  6. Step 6: Final answer
    x = 409,086.52

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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.