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Finding the Fourth Proportional to 453,660.60, 680,492.49 and 133,816.40

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Solution

The fourth proportional to 453,660.60, 680,492.49 and 133,816.40 is: 200,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,660.60 : 680,492.49 = 133,816.40 : x
  2. Step 2: Convert to fraction form
    453,660.60/680,492.49 = 133,816.40/x
  3. Step 3: Cross multiply
    453,660.60x = 680,492.49 × 133,816.40
  4. Step 4: Simplify right side
    453,660.60x = 91,061,058,466.90
  5. Step 5: Solve for x
    x = 91,061,058,466.90/453,660.60
  6. Step 6: Final answer
    x = 200,725.08

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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.