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Finding the Fourth Proportional to 606,115.32, 836,425.98 and 351,490.20

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Solution

The fourth proportional to 606,115.32, 836,425.98 and 351,490.20 is: 485,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,115.32 : 836,425.98 = 351,490.20 : x
  2. Step 2: Convert to fraction form
    606,115.32/836,425.98 = 351,490.20/x
  3. Step 3: Cross multiply
    606,115.32x = 836,425.98 × 351,490.20
  4. Step 4: Simplify right side
    606,115.32x = 293,995,534,995.40
  5. Step 5: Solve for x
    x = 293,995,534,995.40/606,115.32
  6. Step 6: Final answer
    x = 485,048.84

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Double scale
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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.