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Finding the Fourth Proportional to 482,452.88, 665,349.19 and 301,181.56

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Solution

The fourth proportional to 482,452.88, 665,349.19 and 301,181.56 is: 415,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,452.88 : 665,349.19 = 301,181.56 : x
  2. Step 2: Convert to fraction form
    482,452.88/665,349.19 = 301,181.56/x
  3. Step 3: Cross multiply
    482,452.88x = 665,349.19 × 301,181.56
  4. Step 4: Simplify right side
    482,452.88x = 200,390,904,572.61
  5. Step 5: Solve for x
    x = 200,390,904,572.61/482,452.88
  6. Step 6: Final answer
    x = 415,358.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.