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Finding the Fourth Proportional to 413,603.78, 570,627.87 and 270,447.62

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Solution

The fourth proportional to 413,603.78, 570,627.87 and 270,447.62 is: 373,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,603.78 : 570,627.87 = 270,447.62 : x
  2. Step 2: Convert to fraction form
    413,603.78/570,627.87 = 270,447.62/x
  3. Step 3: Cross multiply
    413,603.78x = 570,627.87 × 270,447.62
  4. Step 4: Simplify right side
    413,603.78x = 154,324,949,347.17
  5. Step 5: Solve for x
    x = 154,324,949,347.17/413,603.78
  6. Step 6: Final answer
    x = 373,122.68

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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.