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Finding the Fourth Proportional to 444,349.20, 666,523.80 and 284,916.90

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Solution

The fourth proportional to 444,349.20, 666,523.80 and 284,916.90 is: 427,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,349.20 : 666,523.80 = 284,916.90 : x
  2. Step 2: Convert to fraction form
    444,349.20/666,523.80 = 284,916.90/x
  3. Step 3: Cross multiply
    444,349.20x = 666,523.80 × 284,916.90
  4. Step 4: Simplify right side
    444,349.20x = 189,903,894,872.22
  5. Step 5: Solve for x
    x = 189,903,894,872.22/444,349.20
  6. Step 6: Final answer
    x = 427,375.35

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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.