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Finding the Fourth Proportional to 6,223,659.60, 9,335,489.40 and 1,964,258.40

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Solution

The fourth proportional to 6,223,659.60, 9,335,489.40 and 1,964,258.40 is: 2,946,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223,659.60 : 9,335,489.40 = 1,964,258.40 : x
  2. Step 2: Convert to fraction form
    6,223,659.60/9,335,489.40 = 1,964,258.40/x
  3. Step 3: Cross multiply
    6,223,659.60x = 9,335,489.40 × 1,964,258.40
  4. Step 4: Simplify right side
    6,223,659.60x = 18,337,313,472,060.96
  5. Step 5: Solve for x
    x = 18,337,313,472,060.96/6,223,659.60
  6. Step 6: Final answer
    x = 2,946,387.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.