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Finding the Fourth Proportional to 703,226.64, 970,214.04 and 397,258.32

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Solution

The fourth proportional to 703,226.64, 970,214.04 and 397,258.32 is: 548,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,226.64 : 970,214.04 = 397,258.32 : x
  2. Step 2: Convert to fraction form
    703,226.64/970,214.04 = 397,258.32/x
  3. Step 3: Cross multiply
    703,226.64x = 970,214.04 × 397,258.32
  4. Step 4: Simplify right side
    703,226.64x = 385,425,599,570.81
  5. Step 5: Solve for x
    x = 385,425,599,570.81/703,226.64
  6. Step 6: Final answer
    x = 548,081.62

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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.