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Finding the Fourth Proportional to 504,953.30, 696,897.29 and 290,092.97

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Solution

The fourth proportional to 504,953.30, 696,897.29 and 290,092.97 is: 400,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,953.30 : 696,897.29 = 290,092.97 : x
  2. Step 2: Convert to fraction form
    504,953.30/696,897.29 = 290,092.97/x
  3. Step 3: Cross multiply
    504,953.30x = 696,897.29 × 290,092.97
  4. Step 4: Simplify right side
    504,953.30x = 202,165,003,190.59
  5. Step 5: Solve for x
    x = 202,165,003,190.59/504,953.30
  6. Step 6: Final answer
    x = 400,363.76

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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.