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Finding the Fourth Proportional to 454,960.77, 628,047.18 and 293,894.34

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Solution

The fourth proportional to 454,960.77, 628,047.18 and 293,894.34 is: 405,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,960.77 : 628,047.18 = 293,894.34 : x
  2. Step 2: Convert to fraction form
    454,960.77/628,047.18 = 293,894.34/x
  3. Step 3: Cross multiply
    454,960.77x = 628,047.18 × 293,894.34
  4. Step 4: Simplify right side
    454,960.77x = 184,579,511,454.96
  5. Step 5: Solve for x
    x = 184,579,511,454.96/454,960.77
  6. Step 6: Final answer
    x = 405,704.24

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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.