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Finding the Fourth Proportional to 625,363.64, 937,815.54 and 214,916.39

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Solution

The fourth proportional to 625,363.64, 937,815.54 and 214,916.39 is: 322,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,363.64 : 937,815.54 = 214,916.39 : x
  2. Step 2: Convert to fraction form
    625,363.64/937,815.54 = 214,916.39/x
  3. Step 3: Cross multiply
    625,363.64x = 937,815.54 × 214,916.39
  4. Step 4: Simplify right side
    625,363.64x = 201,551,925,653.62
  5. Step 5: Solve for x
    x = 201,551,925,653.62/625,363.64
  6. Step 6: Final answer
    x = 322,295.56

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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.