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Finding the Fourth Proportional to 349,545.78, 482,368.56 and 196,583.94

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Solution

The fourth proportional to 349,545.78, 482,368.56 and 196,583.94 is: 271,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,545.78 : 482,368.56 = 196,583.94 : x
  2. Step 2: Convert to fraction form
    349,545.78/482,368.56 = 196,583.94/x
  3. Step 3: Cross multiply
    349,545.78x = 482,368.56 × 196,583.94
  4. Step 4: Simplify right side
    349,545.78x = 94,825,912,056.93
  5. Step 5: Solve for x
    x = 94,825,912,056.93/349,545.78
  6. Step 6: Final answer
    x = 271,283.24

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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.