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Finding the Fourth Proportional to 703,299.06, 970,551.54 and 381,010.50

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Solution

The fourth proportional to 703,299.06, 970,551.54 and 381,010.50 is: 525,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,299.06 : 970,551.54 = 381,010.50 : x
  2. Step 2: Convert to fraction form
    703,299.06/970,551.54 = 381,010.50/x
  3. Step 3: Cross multiply
    703,299.06x = 970,551.54 × 381,010.50
  4. Step 4: Simplify right side
    703,299.06x = 369,790,327,531.17
  5. Step 5: Solve for x
    x = 369,790,327,531.17/703,299.06
  6. Step 6: Final answer
    x = 525,793.86

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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.