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Finding the Fourth Proportional to 404,952.11, 608,052.42 and 342,591.65

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Solution

The fourth proportional to 404,952.11, 608,052.42 and 342,591.65 is: 514,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,952.11 : 608,052.42 = 342,591.65 : x
  2. Step 2: Convert to fraction form
    404,952.11/608,052.42 = 342,591.65/x
  3. Step 3: Cross multiply
    404,952.11x = 608,052.42 × 342,591.65
  4. Step 4: Simplify right side
    404,952.11x = 208,313,678,814.03
  5. Step 5: Solve for x
    x = 208,313,678,814.03/404,952.11
  6. Step 6: Final answer
    x = 514,415.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.