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Finding the Fourth Proportional to 320,137, 441,787.26 and 176,897.08

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Solution

The fourth proportional to 320,137, 441,787.26 and 176,897.08 is: 244,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,137 : 441,787.26 = 176,897.08 : x
  2. Step 2: Convert to fraction form
    320,137/441,787.26 = 176,897.08/x
  3. Step 3: Cross multiply
    320,137x = 441,787.26 × 176,897.08
  4. Step 4: Simplify right side
    320,137x = 78,150,876,275.20
  5. Step 5: Solve for x
    x = 78,150,876,275.20/320,137
  6. Step 6: Final answer
    x = 244,116.98

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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.