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Finding the Fourth Proportional to 366,926.70, 550,390.05 and 254,952.30

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Solution

The fourth proportional to 366,926.70, 550,390.05 and 254,952.30 is: 382,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.70 : 550,390.05 = 254,952.30 : x
  2. Step 2: Convert to fraction form
    366,926.70/550,390.05 = 254,952.30/x
  3. Step 3: Cross multiply
    366,926.70x = 550,390.05 × 254,952.30
  4. Step 4: Simplify right side
    366,926.70x = 140,323,209,144.62
  5. Step 5: Solve for x
    x = 140,323,209,144.62/366,926.70
  6. Step 6: Final answer
    x = 382,428.45

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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.