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Finding the Fourth Proportional to 551,850.42, 761,560.32 and 336,960.66

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Solution

The fourth proportional to 551,850.42, 761,560.32 and 336,960.66 is: 465,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,850.42 : 761,560.32 = 336,960.66 : x
  2. Step 2: Convert to fraction form
    551,850.42/761,560.32 = 336,960.66/x
  3. Step 3: Cross multiply
    551,850.42x = 761,560.32 × 336,960.66
  4. Step 4: Simplify right side
    551,850.42x = 256,615,868,057.01
  5. Step 5: Solve for x
    x = 256,615,868,057.01/551,850.42
  6. Step 6: Final answer
    x = 465,009.83

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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.