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Finding the Fourth Proportional to 466,580.32, 644,190.68 and 358,960.48

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Solution

The fourth proportional to 466,580.32, 644,190.68 and 358,960.48 is: 495,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,580.32 : 644,190.68 = 358,960.48 : x
  2. Step 2: Convert to fraction form
    466,580.32/644,190.68 = 358,960.48/x
  3. Step 3: Cross multiply
    466,580.32x = 644,190.68 × 358,960.48
  4. Step 4: Simplify right side
    466,580.32x = 231,238,995,704.33
  5. Step 5: Solve for x
    x = 231,238,995,704.33/466,580.32
  6. Step 6: Final answer
    x = 495,603.83

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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.