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Finding the Fourth Proportional to 366,901.80, 550,352.70 and 334,242.60

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Solution

The fourth proportional to 366,901.80, 550,352.70 and 334,242.60 is: 501,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,901.80 : 550,352.70 = 334,242.60 : x
  2. Step 2: Convert to fraction form
    366,901.80/550,352.70 = 334,242.60/x
  3. Step 3: Cross multiply
    366,901.80x = 550,352.70 × 334,242.60
  4. Step 4: Simplify right side
    366,901.80x = 183,951,317,365.02
  5. Step 5: Solve for x
    x = 183,951,317,365.02/366,901.80
  6. Step 6: Final answer
    x = 501,363.90

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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.