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Finding the Fourth Proportional to 636,857.45, 955,005.70 and 337,268.01

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Solution

The fourth proportional to 636,857.45, 955,005.70 and 337,268.01 is: 505,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,857.45 : 955,005.70 = 337,268.01 : x
  2. Step 2: Convert to fraction form
    636,857.45/955,005.70 = 337,268.01/x
  3. Step 3: Cross multiply
    636,857.45x = 955,005.70 × 337,268.01
  4. Step 4: Simplify right side
    636,857.45x = 322,092,871,977.66
  5. Step 5: Solve for x
    x = 322,092,871,977.66/636,857.45
  6. Step 6: Final answer
    x = 505,753.48

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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.