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Finding the Fourth Proportional to 331,153.44, 496,577.88 and 106,472.40

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Solution

The fourth proportional to 331,153.44, 496,577.88 and 106,472.40 is: 159,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,153.44 : 496,577.88 = 106,472.40 : x
  2. Step 2: Convert to fraction form
    331,153.44/496,577.88 = 106,472.40/x
  3. Step 3: Cross multiply
    331,153.44x = 496,577.88 × 106,472.40
  4. Step 4: Simplify right side
    331,153.44x = 52,871,838,670.51
  5. Step 5: Solve for x
    x = 52,871,838,670.51/331,153.44
  6. Step 6: Final answer
    x = 159,659.64

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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.