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Finding the Fourth Proportional to 320,058.62, 441,648.88 and 176,809.44

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Solution

The fourth proportional to 320,058.62, 441,648.88 and 176,809.44 is: 243,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,058.62 : 441,648.88 = 176,809.44 : x
  2. Step 2: Convert to fraction form
    320,058.62/441,648.88 = 176,809.44/x
  3. Step 3: Cross multiply
    320,058.62x = 441,648.88 × 176,809.44
  4. Step 4: Simplify right side
    320,058.62x = 78,087,690,707.40
  5. Step 5: Solve for x
    x = 78,087,690,707.40/320,058.62
  6. Step 6: Final answer
    x = 243,979.34

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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.