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Finding the Fourth Proportional to 664,896.60, 997,344.90 and 185,123.48

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Solution

The fourth proportional to 664,896.60, 997,344.90 and 185,123.48 is: 277,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,896.60 : 997,344.90 = 185,123.48 : x
  2. Step 2: Convert to fraction form
    664,896.60/997,344.90 = 185,123.48/x
  3. Step 3: Cross multiply
    664,896.60x = 997,344.90 × 185,123.48
  4. Step 4: Simplify right side
    664,896.60x = 184,631,953,661.53
  5. Step 5: Solve for x
    x = 184,631,953,661.53/664,896.60
  6. Step 6: Final answer
    x = 277,685.21

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Similar ratio
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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.