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Finding the Fourth Proportional to 363,871.84, 502,109.04 and 268,431.52

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Solution

The fourth proportional to 363,871.84, 502,109.04 and 268,431.52 is: 370,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,871.84 : 502,109.04 = 268,431.52 : x
  2. Step 2: Convert to fraction form
    363,871.84/502,109.04 = 268,431.52/x
  3. Step 3: Cross multiply
    363,871.84x = 502,109.04 × 268,431.52
  4. Step 4: Simplify right side
    363,871.84x = 134,781,892,812.94
  5. Step 5: Solve for x
    x = 134,781,892,812.94/363,871.84
  6. Step 6: Final answer
    x = 370,410.34

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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.