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Finding the Fourth Proportional to 368,376.67, 552,565.14 and 165,736.15

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Solution

The fourth proportional to 368,376.67, 552,565.14 and 165,736.15 is: 248,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,376.67 : 552,565.14 = 165,736.15 : x
  2. Step 2: Convert to fraction form
    368,376.67/552,565.14 = 165,736.15/x
  3. Step 3: Cross multiply
    368,376.67x = 552,565.14 × 165,736.15
  4. Step 4: Simplify right side
    368,376.67x = 91,580,018,927.81
  5. Step 5: Solve for x
    x = 91,580,018,927.81/368,376.67
  6. Step 6: Final answer
    x = 248,604.29

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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.