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Finding the Fourth Proportional to 347,362.04, 479,359.61 and 188,386.04

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Solution

The fourth proportional to 347,362.04, 479,359.61 and 188,386.04 is: 259,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,362.04 : 479,359.61 = 188,386.04 : x
  2. Step 2: Convert to fraction form
    347,362.04/479,359.61 = 188,386.04/x
  3. Step 3: Cross multiply
    347,362.04x = 479,359.61 × 188,386.04
  4. Step 4: Simplify right side
    347,362.04x = 90,304,655,325.12
  5. Step 5: Solve for x
    x = 90,304,655,325.12/347,362.04
  6. Step 6: Final answer
    x = 259,972.73

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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.