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Finding the Fourth Proportional to 356,772.90, 535,248.58 and 251,796.90

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Solution

The fourth proportional to 356,772.90, 535,248.58 and 251,796.90 is: 377,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,772.90 : 535,248.58 = 251,796.90 : x
  2. Step 2: Convert to fraction form
    356,772.90/535,248.58 = 251,796.90/x
  3. Step 3: Cross multiply
    356,772.90x = 535,248.58 × 251,796.90
  4. Step 4: Simplify right side
    356,772.90x = 134,773,933,173.40
  5. Step 5: Solve for x
    x = 134,773,933,173.40/356,772.90
  6. Step 6: Final answer
    x = 377,758.33

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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.