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Finding the Fourth Proportional to 703,456.32, 970,770.64 and 381,166.32

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Solution

The fourth proportional to 703,456.32, 970,770.64 and 381,166.32 is: 526,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,456.32 : 970,770.64 = 381,166.32 : x
  2. Step 2: Convert to fraction form
    703,456.32/970,770.64 = 381,166.32/x
  3. Step 3: Cross multiply
    703,456.32x = 970,770.64 × 381,166.32
  4. Step 4: Simplify right side
    703,456.32x = 370,025,072,412.85
  5. Step 5: Solve for x
    x = 370,025,072,412.85/703,456.32
  6. Step 6: Final answer
    x = 526,010.02

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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.