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Finding the Fourth Proportional to 703,626.63, 971,000.91 and 381,333.30

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Solution

The fourth proportional to 703,626.63, 971,000.91 and 381,333.30 is: 526,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,626.63 : 971,000.91 = 381,333.30 : x
  2. Step 2: Convert to fraction form
    703,626.63/971,000.91 = 381,333.30/x
  3. Step 3: Cross multiply
    703,626.63x = 971,000.91 × 381,333.30
  4. Step 4: Simplify right side
    703,626.63x = 370,274,981,313.30
  5. Step 5: Solve for x
    x = 370,274,981,313.30/703,626.63
  6. Step 6: Final answer
    x = 526,237.87

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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.