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Finding the Fourth Proportional to 310,601.70, 465,902.55 and 110,928.60

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Solution

The fourth proportional to 310,601.70, 465,902.55 and 110,928.60 is: 166,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,601.70 : 465,902.55 = 110,928.60 : x
  2. Step 2: Convert to fraction form
    310,601.70/465,902.55 = 110,928.60/x
  3. Step 3: Cross multiply
    310,601.70x = 465,902.55 × 110,928.60
  4. Step 4: Simplify right side
    310,601.70x = 51,681,917,607.93
  5. Step 5: Solve for x
    x = 51,681,917,607.93/310,601.70
  6. Step 6: Final answer
    x = 166,392.90

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1.5x scale

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.