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Finding the Fourth Proportional to 453,372.20, 680,058.30 and 404,383.40

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Solution

The fourth proportional to 453,372.20, 680,058.30 and 404,383.40 is: 606,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,372.20 : 680,058.30 = 404,383.40 : x
  2. Step 2: Convert to fraction form
    453,372.20/680,058.30 = 404,383.40/x
  3. Step 3: Cross multiply
    453,372.20x = 680,058.30 × 404,383.40
  4. Step 4: Simplify right side
    453,372.20x = 275,004,287,552.22
  5. Step 5: Solve for x
    x = 275,004,287,552.22/453,372.20
  6. Step 6: Final answer
    x = 606,575.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.