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Finding the Fourth Proportional to 703,351.96, 970,626.72 and 381,062.06

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Solution

The fourth proportional to 703,351.96, 970,626.72 and 381,062.06 is: 525,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,351.96 : 970,626.72 = 381,062.06 : x
  2. Step 2: Convert to fraction form
    703,351.96/970,626.72 = 381,062.06/x
  3. Step 3: Cross multiply
    703,351.96x = 970,626.72 × 381,062.06
  4. Step 4: Simplify right side
    703,351.96x = 369,869,017,414.24
  5. Step 5: Solve for x
    x = 369,869,017,414.24/703,351.96
  6. Step 6: Final answer
    x = 525,866.19

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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.