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Finding the Fourth Proportional to 627,837.84, 941,760.41 and 154,520.01

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Solution

The fourth proportional to 627,837.84, 941,760.41 and 154,520.01 is: 231,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,837.84 : 941,760.41 = 154,520.01 : x
  2. Step 2: Convert to fraction form
    627,837.84/941,760.41 = 154,520.01/x
  3. Step 3: Cross multiply
    627,837.84x = 941,760.41 × 154,520.01
  4. Step 4: Simplify right side
    627,837.84x = 145,520,827,198.20
  5. Step 5: Solve for x
    x = 145,520,827,198.20/627,837.84
  6. Step 6: Final answer
    x = 231,780.91

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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.