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Finding the Fourth Proportional to 649,991.76, 975,009.22 and 223,523.40

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Solution

The fourth proportional to 649,991.76, 975,009.22 and 223,523.40 is: 335,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,991.76 : 975,009.22 = 223,523.40 : x
  2. Step 2: Convert to fraction form
    649,991.76/975,009.22 = 223,523.40/x
  3. Step 3: Cross multiply
    649,991.76x = 975,009.22 × 223,523.40
  4. Step 4: Simplify right side
    649,991.76x = 217,937,375,885.75
  5. Step 5: Solve for x
    x = 217,937,375,885.75/649,991.76
  6. Step 6: Final answer
    x = 335,292.52

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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.