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Finding the Fourth Proportional to 310,906.20, 466,359.30 and 236,256.60

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Solution

The fourth proportional to 310,906.20, 466,359.30 and 236,256.60 is: 354,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,906.20 : 466,359.30 = 236,256.60 : x
  2. Step 2: Convert to fraction form
    310,906.20/466,359.30 = 236,256.60/x
  3. Step 3: Cross multiply
    310,906.20x = 466,359.30 × 236,256.60
  4. Step 4: Simplify right side
    310,906.20x = 110,180,462,596.38
  5. Step 5: Solve for x
    x = 110,180,462,596.38/310,906.20
  6. Step 6: Final answer
    x = 354,384.90

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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.