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Finding the Fourth Proportional to 606,126.66, 836,251.74 and 391,411.86

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Solution

The fourth proportional to 606,126.66, 836,251.74 and 391,411.86 is: 540,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,126.66 : 836,251.74 = 391,411.86 : x
  2. Step 2: Convert to fraction form
    606,126.66/836,251.74 = 391,411.86/x
  3. Step 3: Cross multiply
    606,126.66x = 836,251.74 × 391,411.86
  4. Step 4: Simplify right side
    606,126.66x = 327,318,848,981.64
  5. Step 5: Solve for x
    x = 327,318,848,981.64/606,126.66
  6. Step 6: Final answer
    x = 540,017.24

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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.