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Finding the Fourth Proportional to 466,579.32, 644,189.30 and 358,959.48

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Solution

The fourth proportional to 466,579.32, 644,189.30 and 358,959.48 is: 495,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,579.32 : 644,189.30 = 358,959.48 : x
  2. Step 2: Convert to fraction form
    466,579.32/644,189.30 = 358,959.48/x
  3. Step 3: Cross multiply
    466,579.32x = 644,189.30 × 358,959.48
  4. Step 4: Simplify right side
    466,579.32x = 231,237,856,149.56
  5. Step 5: Solve for x
    x = 231,237,856,149.56/466,579.32
  6. Step 6: Final answer
    x = 495,602.45

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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.