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Finding the Fourth Proportional to 703,347.13, 970,620.00 and 381,057.23

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Solution

The fourth proportional to 703,347.13, 970,620.00 and 381,057.23 is: 525,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,347.13 : 970,620.00 = 381,057.23 : x
  2. Step 2: Convert to fraction form
    703,347.13/970,620.00 = 381,057.23/x
  3. Step 3: Cross multiply
    703,347.13x = 970,620.00 × 381,057.23
  4. Step 4: Simplify right side
    703,347.13x = 369,861,766,850.32
  5. Step 5: Solve for x
    x = 369,861,766,850.32/703,347.13
  6. Step 6: Final answer
    x = 525,859.50

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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.