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Finding the Fourth Proportional to 552,385.54, 762,177.75 and 322,898.45

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Solution

The fourth proportional to 552,385.54, 762,177.75 and 322,898.45 is: 445,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,385.54 : 762,177.75 = 322,898.45 : x
  2. Step 2: Convert to fraction form
    552,385.54/762,177.75 = 322,898.45/x
  3. Step 3: Cross multiply
    552,385.54x = 762,177.75 × 322,898.45
  4. Step 4: Simplify right side
    552,385.54x = 246,106,015,181.28
  5. Step 5: Solve for x
    x = 246,106,015,181.28/552,385.54
  6. Step 6: Final answer
    x = 445,533.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.