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Finding the Fourth Proportional to 363,481.47, 545,333.39 and 186,113.96

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Solution

The fourth proportional to 363,481.47, 545,333.39 and 186,113.96 is: 279,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,481.47 : 545,333.39 = 186,113.96 : x
  2. Step 2: Convert to fraction form
    363,481.47/545,333.39 = 186,113.96/x
  3. Step 3: Cross multiply
    363,481.47x = 545,333.39 × 186,113.96
  4. Step 4: Simplify right side
    363,481.47x = 101,494,153,075.89
  5. Step 5: Solve for x
    x = 101,494,153,075.89/363,481.47
  6. Step 6: Final answer
    x = 279,227.86

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1.5x scale

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.