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Finding the Fourth Proportional to 703,586.77, 970,950.57 and 381,296.86

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Solution

The fourth proportional to 703,586.77, 970,950.57 and 381,296.86 is: 526,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,586.77 : 970,950.57 = 381,296.86 : x
  2. Step 2: Convert to fraction form
    703,586.77/970,950.57 = 381,296.86/x
  3. Step 3: Cross multiply
    703,586.77x = 970,950.57 × 381,296.86
  4. Step 4: Simplify right side
    703,586.77x = 370,220,399,405.97
  5. Step 5: Solve for x
    x = 370,220,399,405.97/703,586.77
  6. Step 6: Final answer
    x = 526,190.11

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1.5x scale

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.