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Finding the Fourth Proportional to 573,447.84, 859,634.52 and 194,103.11

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Solution

The fourth proportional to 573,447.84, 859,634.52 and 194,103.11 is: 290,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,447.84 : 859,634.52 = 194,103.11 : x
  2. Step 2: Convert to fraction form
    573,447.84/859,634.52 = 194,103.11/x
  3. Step 3: Cross multiply
    573,447.84x = 859,634.52 × 194,103.11
  4. Step 4: Simplify right side
    573,447.84x = 166,857,733,795.36
  5. Step 5: Solve for x
    x = 166,857,733,795.36/573,447.84
  6. Step 6: Final answer
    x = 290,972.82

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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.