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Finding the Fourth Proportional to 870,759.74, 1,306,644.06 and 365,276

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Solution

The fourth proportional to 870,759.74, 1,306,644.06 and 365,276 is: 548,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,759.74 : 1,306,644.06 = 365,276 : x
  2. Step 2: Convert to fraction form
    870,759.74/1,306,644.06 = 365,276/x
  3. Step 3: Cross multiply
    870,759.74x = 1,306,644.06 × 365,276
  4. Step 4: Simplify right side
    870,759.74x = 477,285,715,660.56
  5. Step 5: Solve for x
    x = 477,285,715,660.56/870,759.74
  6. Step 6: Final answer
    x = 548,125.61

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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.