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Finding the Fourth Proportional to 368,482.89, 552,837.15 and 188,695.61

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Solution

The fourth proportional to 368,482.89, 552,837.15 and 188,695.61 is: 283,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,482.89 : 552,837.15 = 188,695.61 : x
  2. Step 2: Convert to fraction form
    368,482.89/552,837.15 = 188,695.61/x
  3. Step 3: Cross multiply
    368,482.89x = 552,837.15 × 188,695.61
  4. Step 4: Simplify right side
    368,482.89x = 104,317,943,249.91
  5. Step 5: Solve for x
    x = 104,317,943,249.91/368,482.89
  6. Step 6: Final answer
    x = 283,101.19

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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.