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Finding the Fourth Proportional to 356,772.64, 535,248.21 and 251,796.64

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Solution

The fourth proportional to 356,772.64, 535,248.21 and 251,796.64 is: 377,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,772.64 : 535,248.21 = 251,796.64 : x
  2. Step 2: Convert to fraction form
    356,772.64/535,248.21 = 251,796.64/x
  3. Step 3: Cross multiply
    356,772.64x = 535,248.21 × 251,796.64
  4. Step 4: Simplify right side
    356,772.64x = 134,773,700,844.01
  5. Step 5: Solve for x
    x = 134,773,700,844.01/356,772.64
  6. Step 6: Final answer
    x = 377,757.95

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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.