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Finding the Fourth Proportional to 360,614.89, 540,444.53 and 191,771.66

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Solution

The fourth proportional to 360,614.89, 540,444.53 and 191,771.66 is: 287,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,614.89 : 540,444.53 = 191,771.66 : x
  2. Step 2: Convert to fraction form
    360,614.89/540,444.53 = 191,771.66/x
  3. Step 3: Cross multiply
    360,614.89x = 540,444.53 × 191,771.66
  4. Step 4: Simplify right side
    360,614.89x = 103,641,940,994.94
  5. Step 5: Solve for x
    x = 103,641,940,994.94/360,614.89
  6. Step 6: Final answer
    x = 287,403.39

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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.