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Finding the Fourth Proportional to 928,927, 1,393,624.68 and 264,079

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Solution

The fourth proportional to 928,927, 1,393,624.68 and 264,079 is: 396,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,927 : 1,393,624.68 = 264,079 : x
  2. Step 2: Convert to fraction form
    928,927/1,393,624.68 = 264,079/x
  3. Step 3: Cross multiply
    928,927x = 1,393,624.68 × 264,079
  4. Step 4: Simplify right side
    928,927x = 368,027,011,869.72
  5. Step 5: Solve for x
    x = 368,027,011,869.72/928,927
  6. Step 6: Final answer
    x = 396,185.07

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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.