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Finding the Fourth Proportional to 418,465.24, 577,469.88 and 237,193.88

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Solution

The fourth proportional to 418,465.24, 577,469.88 and 237,193.88 is: 327,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,465.24 : 577,469.88 = 237,193.88 : x
  2. Step 2: Convert to fraction form
    418,465.24/577,469.88 = 237,193.88/x
  3. Step 3: Cross multiply
    418,465.24x = 577,469.88 × 237,193.88
  4. Step 4: Simplify right side
    418,465.24x = 136,972,321,420.33
  5. Step 5: Solve for x
    x = 136,972,321,420.33/418,465.24
  6. Step 6: Final answer
    x = 327,320.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.