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Finding the Fourth Proportional to 378,654.58, 567,460.87 and 162,254.26

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Solution

The fourth proportional to 378,654.58, 567,460.87 and 162,254.26 is: 243,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,654.58 : 567,460.87 = 162,254.26 : x
  2. Step 2: Convert to fraction form
    378,654.58/567,460.87 = 162,254.26/x
  3. Step 3: Cross multiply
    378,654.58x = 567,460.87 × 162,254.26
  4. Step 4: Simplify right side
    378,654.58x = 92,072,943,540.81
  5. Step 5: Solve for x
    x = 92,072,943,540.81/378,654.58
  6. Step 6: Final answer
    x = 243,158.14

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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.