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Finding the Fourth Proportional to 552,664.92, 828,997.40 and 153,305.72

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Solution

The fourth proportional to 552,664.92, 828,997.40 and 153,305.72 is: 229,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,664.92 : 828,997.40 = 153,305.72 : x
  2. Step 2: Convert to fraction form
    552,664.92/828,997.40 = 153,305.72/x
  3. Step 3: Cross multiply
    552,664.92x = 828,997.40 × 153,305.72
  4. Step 4: Simplify right side
    552,664.92x = 127,090,043,285.13
  5. Step 5: Solve for x
    x = 127,090,043,285.13/552,664.92
  6. Step 6: Final answer
    x = 229,958.59

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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.