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Finding the Fourth Proportional to 404,626.72, 558,647.84 and 362,112.16

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Solution

The fourth proportional to 404,626.72, 558,647.84 and 362,112.16 is: 499,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,626.72 : 558,647.84 = 362,112.16 : x
  2. Step 2: Convert to fraction form
    404,626.72/558,647.84 = 362,112.16/x
  3. Step 3: Cross multiply
    404,626.72x = 558,647.84 × 362,112.16
  4. Step 4: Simplify right side
    404,626.72x = 202,293,176,021.73
  5. Step 5: Solve for x
    x = 202,293,176,021.73/404,626.72
  6. Step 6: Final answer
    x = 499,950.12

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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.