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Finding the Fourth Proportional to 366,952.95, 550,429.43 and 254,978.55

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Solution

The fourth proportional to 366,952.95, 550,429.43 and 254,978.55 is: 382,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.95 : 550,429.43 = 254,978.55 : x
  2. Step 2: Convert to fraction form
    366,952.95/550,429.43 = 254,978.55/x
  3. Step 3: Cross multiply
    366,952.95x = 550,429.43 × 254,978.55
  4. Step 4: Simplify right side
    366,952.95x = 140,347,696,663.83
  5. Step 5: Solve for x
    x = 140,347,696,663.83/366,952.95
  6. Step 6: Final answer
    x = 382,467.83

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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.