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Finding the Fourth Proportional to 431,099.44, 594,917.40 and 249,916.41

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Solution

The fourth proportional to 431,099.44, 594,917.40 and 249,916.41 is: 344,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,099.44 : 594,917.40 = 249,916.41 : x
  2. Step 2: Convert to fraction form
    431,099.44/594,917.40 = 249,916.41/x
  3. Step 3: Cross multiply
    431,099.44x = 594,917.40 × 249,916.41
  4. Step 4: Simplify right side
    431,099.44x = 148,679,620,854.53
  5. Step 5: Solve for x
    x = 148,679,620,854.53/431,099.44
  6. Step 6: Final answer
    x = 344,884.75

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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.