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Finding the Fourth Proportional to 453,652.40, 680,478.60 and 201,053.90

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Solution

The fourth proportional to 453,652.40, 680,478.60 and 201,053.90 is: 301,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,652.40 : 680,478.60 = 201,053.90 : x
  2. Step 2: Convert to fraction form
    453,652.40/680,478.60 = 201,053.90/x
  3. Step 3: Cross multiply
    453,652.40x = 680,478.60 × 201,053.90
  4. Step 4: Simplify right side
    453,652.40x = 136,812,876,396.54
  5. Step 5: Solve for x
    x = 136,812,876,396.54/453,652.40
  6. Step 6: Final answer
    x = 301,580.85

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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.