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Finding the Fourth Proportional to 464,418.66, 640,625.57 and 292,063.24

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Solution

The fourth proportional to 464,418.66, 640,625.57 and 292,063.24 is: 402,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,418.66 : 640,625.57 = 292,063.24 : x
  2. Step 2: Convert to fraction form
    464,418.66/640,625.57 = 292,063.24/x
  3. Step 3: Cross multiply
    464,418.66x = 640,625.57 × 292,063.24
  4. Step 4: Simplify right side
    464,418.66x = 187,103,180,472.45
  5. Step 5: Solve for x
    x = 187,103,180,472.45/464,418.66
  6. Step 6: Final answer
    x = 402,876.10

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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.