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Finding the Fourth Proportional to 976,231.60, 1,465,659.60 and 622,812.40

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Solution

The fourth proportional to 976,231.60, 1,465,659.60 and 622,812.40 is: 935,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,231.60 : 1,465,659.60 = 622,812.40 : x
  2. Step 2: Convert to fraction form
    976,231.60/1,465,659.60 = 622,812.40/x
  3. Step 3: Cross multiply
    976,231.60x = 1,465,659.60 × 622,812.40
  4. Step 4: Simplify right side
    976,231.60x = 912,830,973,059.04
  5. Step 5: Solve for x
    x = 912,830,973,059.04/976,231.60
  6. Step 6: Final answer
    x = 935,055.75

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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.