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Finding the Fourth Proportional to 703,352.21, 970,626.98 and 381,062.32

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Solution

The fourth proportional to 703,352.21, 970,626.98 and 381,062.32 is: 525,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,352.21 : 970,626.98 = 381,062.32 : x
  2. Step 2: Convert to fraction form
    703,352.21/970,626.98 = 381,062.32/x
  3. Step 3: Cross multiply
    703,352.21x = 970,626.98 × 381,062.32
  4. Step 4: Simplify right side
    703,352.21x = 369,869,367,379.48
  5. Step 5: Solve for x
    x = 369,869,367,379.48/703,352.21
  6. Step 6: Final answer
    x = 525,866.51

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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.