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Finding the Fourth Proportional to 481,473.74, 721,782.33 and 228,598.22

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Solution

The fourth proportional to 481,473.74, 721,782.33 and 228,598.22 is: 342,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,473.74 : 721,782.33 = 228,598.22 : x
  2. Step 2: Convert to fraction form
    481,473.74/721,782.33 = 228,598.22/x
  3. Step 3: Cross multiply
    481,473.74x = 721,782.33 × 228,598.22
  4. Step 4: Simplify right side
    481,473.74x = 164,998,155,865.45
  5. Step 5: Solve for x
    x = 164,998,155,865.45/481,473.74
  6. Step 6: Final answer
    x = 342,693.99

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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.