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Finding the Fourth Proportional to 926,953, 1,279,195.14 and 503,017

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Solution

The fourth proportional to 926,953, 1,279,195.14 and 503,017 is: 694,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,953 : 1,279,195.14 = 503,017 : x
  2. Step 2: Convert to fraction form
    926,953/1,279,195.14 = 503,017/x
  3. Step 3: Cross multiply
    926,953x = 1,279,195.14 × 503,017
  4. Step 4: Simplify right side
    926,953x = 643,456,901,737.38
  5. Step 5: Solve for x
    x = 643,456,901,737.38/926,953
  6. Step 6: Final answer
    x = 694,163.46

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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.