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Finding the Fourth Proportional to 664,512.66, 917,027.48 and 362,706.66

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Solution

The fourth proportional to 664,512.66, 917,027.48 and 362,706.66 is: 500,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,512.66 : 917,027.48 = 362,706.66 : x
  2. Step 2: Convert to fraction form
    664,512.66/917,027.48 = 362,706.66/x
  3. Step 3: Cross multiply
    664,512.66x = 917,027.48 × 362,706.66
  4. Step 4: Simplify right side
    664,512.66x = 332,611,974,399.02
  5. Step 5: Solve for x
    x = 332,611,974,399.02/664,512.66
  6. Step 6: Final answer
    x = 500,535.20

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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.