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Finding the Fourth Proportional to 517,497.21, 775,983.27 and 236,773.89

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Solution

The fourth proportional to 517,497.21, 775,983.27 and 236,773.89 is: 355,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,497.21 : 775,983.27 = 236,773.89 : x
  2. Step 2: Convert to fraction form
    517,497.21/775,983.27 = 236,773.89/x
  3. Step 3: Cross multiply
    517,497.21x = 775,983.27 × 236,773.89
  4. Step 4: Simplify right side
    517,497.21x = 183,732,577,412.82
  5. Step 5: Solve for x
    x = 183,732,577,412.82/517,497.21
  6. Step 6: Final answer
    x = 355,040.71

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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.