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Finding the Fourth Proportional to 703,522.32, 970,861.60 and 381,229.58

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Solution

The fourth proportional to 703,522.32, 970,861.60 and 381,229.58 is: 526,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,522.32 : 970,861.60 = 381,229.58 : x
  2. Step 2: Convert to fraction form
    703,522.32/970,861.60 = 381,229.58/x
  3. Step 3: Cross multiply
    703,522.32x = 970,861.60 × 381,229.58
  4. Step 4: Simplify right side
    703,522.32x = 370,121,160,006.13
  5. Step 5: Solve for x
    x = 370,121,160,006.13/703,522.32
  6. Step 6: Final answer
    x = 526,097.25

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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.