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Finding the Fourth Proportional to 363,068.72, 501,035.88 and 201,934.16

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Solution

The fourth proportional to 363,068.72, 501,035.88 and 201,934.16 is: 278,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,068.72 : 501,035.88 = 201,934.16 : x
  2. Step 2: Convert to fraction form
    363,068.72/501,035.88 = 201,934.16/x
  3. Step 3: Cross multiply
    363,068.72x = 501,035.88 × 201,934.16
  4. Step 4: Simplify right side
    363,068.72x = 101,176,259,557.66
  5. Step 5: Solve for x
    x = 101,176,259,557.66/363,068.72
  6. Step 6: Final answer
    x = 278,669.72

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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.