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Finding the Fourth Proportional to 703,250.78, 970,489.00 and 380,960.84

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Solution

The fourth proportional to 703,250.78, 970,489.00 and 380,960.84 is: 525,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,250.78 : 970,489.00 = 380,960.84 : x
  2. Step 2: Convert to fraction form
    703,250.78/970,489.00 = 380,960.84/x
  3. Step 3: Cross multiply
    703,250.78x = 970,489.00 × 380,960.84
  4. Step 4: Simplify right side
    703,250.78x = 369,718,299,951.28
  5. Step 5: Solve for x
    x = 369,718,299,951.28/703,250.78
  6. Step 6: Final answer
    x = 525,727.54

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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.