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Finding the Fourth Proportional to 384,061.64, 576,122.70 and 131,462.60

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Solution

The fourth proportional to 384,061.64, 576,122.70 and 131,462.60 is: 197,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,061.64 : 576,122.70 = 131,462.60 : x
  2. Step 2: Convert to fraction form
    384,061.64/576,122.70 = 131,462.60/x
  3. Step 3: Cross multiply
    384,061.64x = 576,122.70 × 131,462.60
  4. Step 4: Simplify right side
    384,061.64x = 75,738,588,061.02
  5. Step 5: Solve for x
    x = 75,738,588,061.02/384,061.64
  6. Step 6: Final answer
    x = 197,204.25

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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.