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Finding the Fourth Proportional to 606,497.32, 909,590.46 and 251,612.20

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Solution

The fourth proportional to 606,497.32, 909,590.46 and 251,612.20 is: 377,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,497.32 : 909,590.46 = 251,612.20 : x
  2. Step 2: Convert to fraction form
    606,497.32/909,590.46 = 251,612.20/x
  3. Step 3: Cross multiply
    606,497.32x = 909,590.46 × 251,612.20
  4. Step 4: Simplify right side
    606,497.32x = 228,864,056,739.61
  5. Step 5: Solve for x
    x = 228,864,056,739.61/606,497.32
  6. Step 6: Final answer
    x = 377,353.78

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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.