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Finding the Fourth Proportional to 703,960.16, 971,472.24 and 381,670.88

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Solution

The fourth proportional to 703,960.16, 971,472.24 and 381,670.88 is: 526,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,960.16 : 971,472.24 = 381,670.88 : x
  2. Step 2: Convert to fraction form
    703,960.16/971,472.24 = 381,670.88/x
  3. Step 3: Cross multiply
    703,960.16x = 971,472.24 × 381,670.88
  4. Step 4: Simplify right side
    703,960.16x = 370,782,664,736.37
  5. Step 5: Solve for x
    x = 370,782,664,736.37/703,960.16
  6. Step 6: Final answer
    x = 526,709.73

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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.