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Finding the Fourth Proportional to 368,353, 552,529.66 and 165,712.42

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Solution

The fourth proportional to 368,353, 552,529.66 and 165,712.42 is: 248,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,353 : 552,529.66 = 165,712.42 : x
  2. Step 2: Convert to fraction form
    368,353/552,529.66 = 165,712.42/x
  3. Step 3: Cross multiply
    368,353x = 552,529.66 × 165,712.42
  4. Step 4: Simplify right side
    368,353x = 91,561,027,080.38
  5. Step 5: Solve for x
    x = 91,561,027,080.38/368,353
  6. Step 6: Final answer
    x = 248,568.70

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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.