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Finding the Fourth Proportional to 507,169.65, 760,855.86 and 187,323.33

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Solution

The fourth proportional to 507,169.65, 760,855.86 and 187,323.33 is: 281,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,169.65 : 760,855.86 = 187,323.33 : x
  2. Step 2: Convert to fraction form
    507,169.65/760,855.86 = 187,323.33/x
  3. Step 3: Cross multiply
    507,169.65x = 760,855.86 × 187,323.33
  4. Step 4: Simplify right side
    507,169.65x = 142,526,053,345.21
  5. Step 5: Solve for x
    x = 142,526,053,345.21/507,169.65
  6. Step 6: Final answer
    x = 281,022.44

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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.