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Finding the Fourth Proportional to 238,652.78, 358,635.30 and 223,048.54

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Solution

The fourth proportional to 238,652.78, 358,635.30 and 223,048.54 is: 335,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,652.78 : 358,635.30 = 223,048.54 : x
  2. Step 2: Convert to fraction form
    238,652.78/358,635.30 = 223,048.54/x
  3. Step 3: Cross multiply
    238,652.78x = 358,635.30 × 223,048.54
  4. Step 4: Simplify right side
    238,652.78x = 79,993,077,652.00
  5. Step 5: Solve for x
    x = 79,993,077,652.00/238,652.78
  6. Step 6: Final answer
    x = 335,186.03

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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.