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Finding the Fourth Proportional to 606,422.20, 908,904.30 and 251,253.40

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Solution

The fourth proportional to 606,422.20, 908,904.30 and 251,253.40 is: 376,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,422.20 : 908,904.30 = 251,253.40 : x
  2. Step 2: Convert to fraction form
    606,422.20/908,904.30 = 251,253.40/x
  3. Step 3: Cross multiply
    606,422.20x = 908,904.30 × 251,253.40
  4. Step 4: Simplify right side
    606,422.20x = 228,365,295,649.62
  5. Step 5: Solve for x
    x = 228,365,295,649.62/606,422.20
  6. Step 6: Final answer
    x = 376,578.06

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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.