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Finding the Fourth Proportional to 376,999.92, 519,874.20 and 249,629.04

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Solution

The fourth proportional to 376,999.92, 519,874.20 and 249,629.04 is: 344,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,999.92 : 519,874.20 = 249,629.04 : x
  2. Step 2: Convert to fraction form
    376,999.92/519,874.20 = 249,629.04/x
  3. Step 3: Cross multiply
    376,999.92x = 519,874.20 × 249,629.04
  4. Step 4: Simplify right side
    376,999.92x = 129,775,697,466.77
  5. Step 5: Solve for x
    x = 129,775,697,466.77/376,999.92
  6. Step 6: Final answer
    x = 344,232.69

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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.