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Finding the Fourth Proportional to 453,594.22, 680,544.40 and 200,840.20

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Solution

The fourth proportional to 453,594.22, 680,544.40 and 200,840.20 is: 301,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,594.22 : 680,544.40 = 200,840.20 : x
  2. Step 2: Convert to fraction form
    453,594.22/680,544.40 = 200,840.20/x
  3. Step 3: Cross multiply
    453,594.22x = 680,544.40 × 200,840.20
  4. Step 4: Simplify right side
    453,594.22x = 136,680,673,404.88
  5. Step 5: Solve for x
    x = 136,680,673,404.88/453,594.22
  6. Step 6: Final answer
    x = 301,328.08

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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.