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Finding the Fourth Proportional to 453,951.60, 681,316.20 and 201,620.40

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Solution

The fourth proportional to 453,951.60, 681,316.20 and 201,620.40 is: 302,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,951.60 : 681,316.20 = 201,620.40 : x
  2. Step 2: Convert to fraction form
    453,951.60/681,316.20 = 201,620.40/x
  3. Step 3: Cross multiply
    453,951.60x = 681,316.20 × 201,620.40
  4. Step 4: Simplify right side
    453,951.60x = 137,367,244,770.48
  5. Step 5: Solve for x
    x = 137,367,244,770.48/453,951.60
  6. Step 6: Final answer
    x = 302,603.28

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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.