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Finding the Fourth Proportional to 331,686, 497,606.76 and 110,070

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Solution

The fourth proportional to 331,686, 497,606.76 and 110,070 is: 165,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,686 : 497,606.76 = 110,070 : x
  2. Step 2: Convert to fraction form
    331,686/497,606.76 = 110,070/x
  3. Step 3: Cross multiply
    331,686x = 497,606.76 × 110,070
  4. Step 4: Simplify right side
    331,686x = 54,771,576,073.20
  5. Step 5: Solve for x
    x = 54,771,576,073.20/331,686
  6. Step 6: Final answer
    x = 165,130.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.