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Finding the Fourth Proportional to 330,541.60, 495,874.64 and 235,536.11

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Solution

The fourth proportional to 330,541.60, 495,874.64 and 235,536.11 is: 353,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,541.60 : 495,874.64 = 235,536.11 : x
  2. Step 2: Convert to fraction form
    330,541.60/495,874.64 = 235,536.11/x
  3. Step 3: Cross multiply
    330,541.60x = 495,874.64 × 235,536.11
  4. Step 4: Simplify right side
    330,541.60x = 116,796,383,753.25
  5. Step 5: Solve for x
    x = 116,796,383,753.25/330,541.60
  6. Step 6: Final answer
    x = 353,348.52

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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.