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Finding the Fourth Proportional to 703,587.20, 970,951.15 and 381,297.27

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Solution

The fourth proportional to 703,587.20, 970,951.15 and 381,297.27 is: 526,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,587.20 : 970,951.15 = 381,297.27 : x
  2. Step 2: Convert to fraction form
    703,587.20/970,951.15 = 381,297.27/x
  3. Step 3: Cross multiply
    703,587.20x = 970,951.15 × 381,297.27
  4. Step 4: Simplify right side
    703,587.20x = 370,221,026,916.05
  5. Step 5: Solve for x
    x = 370,221,026,916.05/703,587.20
  6. Step 6: Final answer
    x = 526,190.68

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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.