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Finding the Fourth Proportional to 404,812.04, 558,687.98 and 336,708.86

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Solution

The fourth proportional to 404,812.04, 558,687.98 and 336,708.86 is: 464,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,812.04 : 558,687.98 = 336,708.86 : x
  2. Step 2: Convert to fraction form
    404,812.04/558,687.98 = 336,708.86/x
  3. Step 3: Cross multiply
    404,812.04x = 558,687.98 × 336,708.86
  4. Step 4: Simplify right side
    404,812.04x = 188,115,190,889.84
  5. Step 5: Solve for x
    x = 188,115,190,889.84/404,812.04
  6. Step 6: Final answer
    x = 464,697.62

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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.