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Finding the Fourth Proportional to 951,802.22, 1,427,662.02 and 320,713.40

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Solution

The fourth proportional to 951,802.22, 1,427,662.02 and 320,713.40 is: 481,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,802.22 : 1,427,662.02 = 320,713.40 : x
  2. Step 2: Convert to fraction form
    951,802.22/1,427,662.02 = 320,713.40/x
  3. Step 3: Cross multiply
    951,802.22x = 1,427,662.02 × 320,713.40
  4. Step 4: Simplify right side
    951,802.22x = 457,870,340,485.07
  5. Step 5: Solve for x
    x = 457,870,340,485.07/951,802.22
  6. Step 6: Final answer
    x = 481,056.18

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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.