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Finding the Fourth Proportional to 356,764.91, 534,097.60 and 238,142.03

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Solution

The fourth proportional to 356,764.91, 534,097.60 and 238,142.03 is: 356,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,764.91 : 534,097.60 = 238,142.03 : x
  2. Step 2: Convert to fraction form
    356,764.91/534,097.60 = 238,142.03/x
  3. Step 3: Cross multiply
    356,764.91x = 534,097.60 × 238,142.03
  4. Step 4: Simplify right side
    356,764.91x = 127,191,083,416.29
  5. Step 5: Solve for x
    x = 127,191,083,416.29/356,764.91
  6. Step 6: Final answer
    x = 356,512.32

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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.