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Finding the Fourth Proportional to 364,081.52, 502,449.74 and 202,937.90

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Solution

The fourth proportional to 364,081.52, 502,449.74 and 202,937.90 is: 280,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,081.52 : 502,449.74 = 202,937.90 : x
  2. Step 2: Convert to fraction form
    364,081.52/502,449.74 = 202,937.90/x
  3. Step 3: Cross multiply
    364,081.52x = 502,449.74 × 202,937.90
  4. Step 4: Simplify right side
    364,081.52x = 101,966,095,091.15
  5. Step 5: Solve for x
    x = 101,966,095,091.15/364,081.52
  6. Step 6: Final answer
    x = 280,063.91

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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.