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Finding the Fourth Proportional to 337,358.66, 505,527.44 and 147,712.96

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Solution

The fourth proportional to 337,358.66, 505,527.44 and 147,712.96 is: 221,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,358.66 : 505,527.44 = 147,712.96 : x
  2. Step 2: Convert to fraction form
    337,358.66/505,527.44 = 147,712.96/x
  3. Step 3: Cross multiply
    337,358.66x = 505,527.44 × 147,712.96
  4. Step 4: Simplify right side
    337,358.66x = 74,672,954,523.62
  5. Step 5: Solve for x
    x = 74,672,954,523.62/337,358.66
  6. Step 6: Final answer
    x = 221,345.89

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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.