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Finding the Fourth Proportional to 424,544.71, 586,712.28 and 347,942.99

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Solution

The fourth proportional to 424,544.71, 586,712.28 and 347,942.99 is: 480,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,544.71 : 586,712.28 = 347,942.99 : x
  2. Step 2: Convert to fraction form
    424,544.71/586,712.28 = 347,942.99/x
  3. Step 3: Cross multiply
    424,544.71x = 586,712.28 × 347,942.99
  4. Step 4: Simplify right side
    424,544.71x = 204,142,424,972.92
  5. Step 5: Solve for x
    x = 204,142,424,972.92/424,544.71
  6. Step 6: Final answer
    x = 480,850.24

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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.