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Finding the Fourth Proportional to 412,999.08, 619,563.42 and 176,343

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Solution

The fourth proportional to 412,999.08, 619,563.42 and 176,343 is: 264,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,999.08 : 619,563.42 = 176,343 : x
  2. Step 2: Convert to fraction form
    412,999.08/619,563.42 = 176,343/x
  3. Step 3: Cross multiply
    412,999.08x = 619,563.42 × 176,343
  4. Step 4: Simplify right side
    412,999.08x = 109,255,672,173.06
  5. Step 5: Solve for x
    x = 109,255,672,173.06/412,999.08
  6. Step 6: Final answer
    x = 264,542.17

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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.