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Finding the Fourth Proportional to 366,904.65, 550,356.98 and 307,855.65

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Solution

The fourth proportional to 366,904.65, 550,356.98 and 307,855.65 is: 461,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.65 : 550,356.98 = 307,855.65 : x
  2. Step 2: Convert to fraction form
    366,904.65/550,356.98 = 307,855.65/x
  3. Step 3: Cross multiply
    366,904.65x = 550,356.98 × 307,855.65
  4. Step 4: Simplify right side
    366,904.65x = 169,430,504,270.66
  5. Step 5: Solve for x
    x = 169,430,504,270.66/366,904.65
  6. Step 6: Final answer
    x = 461,783.48

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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.