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Finding the Fourth Proportional to 350,848.84, 484,171.10 and 189,703.78

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Solution

The fourth proportional to 350,848.84, 484,171.10 and 189,703.78 is: 261,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,848.84 : 484,171.10 = 189,703.78 : x
  2. Step 2: Convert to fraction form
    350,848.84/484,171.10 = 189,703.78/x
  3. Step 3: Cross multiply
    350,848.84x = 484,171.10 × 189,703.78
  4. Step 4: Simplify right side
    350,848.84x = 91,849,087,836.76
  5. Step 5: Solve for x
    x = 91,849,087,836.76/350,848.84
  6. Step 6: Final answer
    x = 261,791.05

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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.