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Finding the Fourth Proportional to 606,064.16, 836,374.40 and 334,142.88

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Solution

The fourth proportional to 606,064.16, 836,374.40 and 334,142.88 is: 461,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,064.16 : 836,374.40 = 334,142.88 : x
  2. Step 2: Convert to fraction form
    606,064.16/836,374.40 = 334,142.88/x
  3. Step 3: Cross multiply
    606,064.16x = 836,374.40 × 334,142.88
  4. Step 4: Simplify right side
    606,064.16x = 279,468,550,774.27
  5. Step 5: Solve for x
    x = 279,468,550,774.27/606,064.16
  6. Step 6: Final answer
    x = 461,120.40

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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.