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Finding the Fourth Proportional to 466,542.28, 644,138.24 and 358,922.44

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Solution

The fourth proportional to 466,542.28, 644,138.24 and 358,922.44 is: 495,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,542.28 : 644,138.24 = 358,922.44 : x
  2. Step 2: Convert to fraction form
    466,542.28/644,138.24 = 358,922.44/x
  3. Step 3: Cross multiply
    466,542.28x = 644,138.24 × 358,922.44
  4. Step 4: Simplify right side
    466,542.28x = 231,195,668,798.11
  5. Step 5: Solve for x
    x = 231,195,668,798.11/466,542.28
  6. Step 6: Final answer
    x = 495,551.38

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1.5x scale

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.