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Finding the Fourth Proportional to 272,941.60, 409,023.60 and 201,305.20

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Solution

The fourth proportional to 272,941.60, 409,023.60 and 201,305.20 is: 301,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,941.60 : 409,023.60 = 201,305.20 : x
  2. Step 2: Convert to fraction form
    272,941.60/409,023.60 = 201,305.20/x
  3. Step 3: Cross multiply
    272,941.60x = 409,023.60 × 201,305.20
  4. Step 4: Simplify right side
    272,941.60x = 82,338,577,602.72
  5. Step 5: Solve for x
    x = 82,338,577,602.72/272,941.60
  6. Step 6: Final answer
    x = 301,671.04

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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.