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Finding the Fourth Proportional to 272,086.71, 406,936.31 and 242,310.93

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Solution

The fourth proportional to 272,086.71, 406,936.31 and 242,310.93 is: 362,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,086.71 : 406,936.31 = 242,310.93 : x
  2. Step 2: Convert to fraction form
    272,086.71/406,936.31 = 242,310.93/x
  3. Step 3: Cross multiply
    272,086.71x = 406,936.31 × 242,310.93
  4. Step 4: Simplify right side
    272,086.71x = 98,605,114,515.31
  5. Step 5: Solve for x
    x = 98,605,114,515.31/272,086.71
  6. Step 6: Final answer
    x = 362,403.27

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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.