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Finding the Fourth Proportional to 451,388, 622,916.52 and 250,184

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Solution

The fourth proportional to 451,388, 622,916.52 and 250,184 is: 345,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,388 : 622,916.52 = 250,184 : x
  2. Step 2: Convert to fraction form
    451,388/622,916.52 = 250,184/x
  3. Step 3: Cross multiply
    451,388x = 622,916.52 × 250,184
  4. Step 4: Simplify right side
    451,388x = 155,843,746,639.68
  5. Step 5: Solve for x
    x = 155,843,746,639.68/451,388
  6. Step 6: Final answer
    x = 345,254.52

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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.