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Finding the Fourth Proportional to 356,974, 535,511.10 and 104,273.03

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Solution

The fourth proportional to 356,974, 535,511.10 and 104,273.03 is: 156,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,974 : 535,511.10 = 104,273.03 : x
  2. Step 2: Convert to fraction form
    356,974/535,511.10 = 104,273.03/x
  3. Step 3: Cross multiply
    356,974x = 535,511.10 × 104,273.03
  4. Step 4: Simplify right side
    356,974x = 55,839,364,995.63
  5. Step 5: Solve for x
    x = 55,839,364,995.63/356,974
  6. Step 6: Final answer
    x = 156,424.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.