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Finding the Fourth Proportional to 606,125.66, 836,250.36 and 391,410.86

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Solution

The fourth proportional to 606,125.66, 836,250.36 and 391,410.86 is: 540,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,125.66 : 836,250.36 = 391,410.86 : x
  2. Step 2: Convert to fraction form
    606,125.66/836,250.36 = 391,410.86/x
  3. Step 3: Cross multiply
    606,125.66x = 836,250.36 × 391,410.86
  4. Step 4: Simplify right side
    606,125.66x = 327,317,472,582.91
  5. Step 5: Solve for x
    x = 327,317,472,582.91/606,125.66
  6. Step 6: Final answer
    x = 540,015.86

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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.