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Finding the Fourth Proportional to 238,647.72, 358,627.68 and 223,043.47

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Solution

The fourth proportional to 238,647.72, 358,627.68 and 223,043.47 is: 335,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,647.72 : 358,627.68 = 223,043.47 : x
  2. Step 2: Convert to fraction form
    238,647.72/358,627.68 = 223,043.47/x
  3. Step 3: Cross multiply
    238,647.72x = 358,627.68 × 223,043.47
  4. Step 4: Simplify right side
    238,647.72x = 79,989,562,185.25
  5. Step 5: Solve for x
    x = 79,989,562,185.25/238,647.72
  6. Step 6: Final answer
    x = 335,178.41

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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.