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Finding the Fourth Proportional to 606,066.72, 836,186.72 and 351,367.08

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Solution

The fourth proportional to 606,066.72, 836,186.72 and 351,367.08 is: 484,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,066.72 : 836,186.72 = 351,367.08 : x
  2. Step 2: Convert to fraction form
    606,066.72/836,186.72 = 351,367.08/x
  3. Step 3: Cross multiply
    606,066.72x = 836,186.72 × 351,367.08
  4. Step 4: Simplify right side
    606,066.72x = 293,808,486,141.18
  5. Step 5: Solve for x
    x = 293,808,486,141.18/606,066.72
  6. Step 6: Final answer
    x = 484,779.11

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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.