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Finding the Fourth Proportional to 366,920.65, 514,388.75 and 366,920.65

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Solution

The fourth proportional to 366,920.65, 514,388.75 and 366,920.65 is: 514,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.65 : 514,388.75 = 366,920.65 : x
  2. Step 2: Convert to fraction form
    366,920.65/514,388.75 = 366,920.65/x
  3. Step 3: Cross multiply
    366,920.65x = 514,388.75 × 366,920.65
  4. Step 4: Simplify right side
    366,920.65x = 188,739,854,502.69
  5. Step 5: Solve for x
    x = 188,739,854,502.69/366,920.65
  6. Step 6: Final answer
    x = 514,388.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.