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Finding the Fourth Proportional to 368,407.90, 552,416.46 and 226,318.13

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Solution

The fourth proportional to 368,407.90, 552,416.46 and 226,318.13 is: 339,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,407.90 : 552,416.46 = 226,318.13 : x
  2. Step 2: Convert to fraction form
    368,407.90/552,416.46 = 226,318.13/x
  3. Step 3: Cross multiply
    368,407.90x = 552,416.46 × 226,318.13
  4. Step 4: Simplify right side
    368,407.90x = 125,021,857,115.54
  5. Step 5: Solve for x
    x = 125,021,857,115.54/368,407.90
  6. Step 6: Final answer
    x = 339,357.16

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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.