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Finding the Fourth Proportional to 447,041.89, 670,490.74 and 122,754.34

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Solution

The fourth proportional to 447,041.89, 670,490.74 and 122,754.34 is: 184,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,041.89 : 670,490.74 = 122,754.34 : x
  2. Step 2: Convert to fraction form
    447,041.89/670,490.74 = 122,754.34/x
  3. Step 3: Cross multiply
    447,041.89x = 670,490.74 × 122,754.34
  4. Step 4: Simplify right side
    447,041.89x = 82,305,648,264.81
  5. Step 5: Solve for x
    x = 82,305,648,264.81/447,041.89
  6. Step 6: Final answer
    x = 184,111.71

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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.