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Finding the Fourth Proportional to 352,997.06, 487,139.13 and 191,852.49

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Solution

The fourth proportional to 352,997.06, 487,139.13 and 191,852.49 is: 264,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,997.06 : 487,139.13 = 191,852.49 : x
  2. Step 2: Convert to fraction form
    352,997.06/487,139.13 = 191,852.49/x
  3. Step 3: Cross multiply
    352,997.06x = 487,139.13 × 191,852.49
  4. Step 4: Simplify right side
    352,997.06x = 93,458,855,066.93
  5. Step 5: Solve for x
    x = 93,458,855,066.93/352,997.06
  6. Step 6: Final answer
    x = 264,758.17

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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.