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Finding the Fourth Proportional to 363,843.84, 502,070.40 and 268,403.52

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Solution

The fourth proportional to 363,843.84, 502,070.40 and 268,403.52 is: 370,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,843.84 : 502,070.40 = 268,403.52 : x
  2. Step 2: Convert to fraction form
    363,843.84/502,070.40 = 268,403.52/x
  3. Step 3: Cross multiply
    363,843.84x = 502,070.40 × 268,403.52
  4. Step 4: Simplify right side
    363,843.84x = 134,757,462,647.81
  5. Step 5: Solve for x
    x = 134,757,462,647.81/363,843.84
  6. Step 6: Final answer
    x = 370,371.70

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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.