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Finding the Fourth Proportional to 352,036.32, 485,804.16 and 199,072.08

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Solution

The fourth proportional to 352,036.32, 485,804.16 and 199,072.08 is: 274,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,036.32 : 485,804.16 = 199,072.08 : x
  2. Step 2: Convert to fraction form
    352,036.32/485,804.16 = 199,072.08/x
  3. Step 3: Cross multiply
    352,036.32x = 485,804.16 × 199,072.08
  4. Step 4: Simplify right side
    352,036.32x = 96,710,044,603.85
  5. Step 5: Solve for x
    x = 96,710,044,603.85/352,036.32
  6. Step 6: Final answer
    x = 274,716.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.