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Finding the Fourth Proportional to 366,947.68, 550,421.52 and 335,946.95

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Solution

The fourth proportional to 366,947.68, 550,421.52 and 335,946.95 is: 503,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,947.68 : 550,421.52 = 335,946.95 : x
  2. Step 2: Convert to fraction form
    366,947.68/550,421.52 = 335,946.95/x
  3. Step 3: Cross multiply
    366,947.68x = 550,421.52 × 335,946.95
  4. Step 4: Simplify right side
    366,947.68x = 184,912,430,858.36
  5. Step 5: Solve for x
    x = 184,912,430,858.36/366,947.68
  6. Step 6: Final answer
    x = 503,920.43

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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.