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Finding the Fourth Proportional to 316,410.20, 474,654.48 and 116,731.63

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Solution

The fourth proportional to 316,410.20, 474,654.48 and 116,731.63 is: 175,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,410.20 : 474,654.48 = 116,731.63 : x
  2. Step 2: Convert to fraction form
    316,410.20/474,654.48 = 116,731.63/x
  3. Step 3: Cross multiply
    316,410.20x = 474,654.48 × 116,731.63
  4. Step 4: Simplify right side
    316,410.20x = 55,407,188,180.27
  5. Step 5: Solve for x
    x = 55,407,188,180.27/316,410.20
  6. Step 6: Final answer
    x = 175,111.89

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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.