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Finding the Fourth Proportional to 363,433.14, 545,261.38 and 186,064.66

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Solution

The fourth proportional to 363,433.14, 545,261.38 and 186,064.66 is: 279,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,433.14 : 545,261.38 = 186,064.66 : x
  2. Step 2: Convert to fraction form
    363,433.14/545,261.38 = 186,064.66/x
  3. Step 3: Cross multiply
    363,433.14x = 545,261.38 × 186,064.66
  4. Step 4: Simplify right side
    363,433.14x = 101,453,873,280.83
  5. Step 5: Solve for x
    x = 101,453,873,280.83/363,433.14
  6. Step 6: Final answer
    x = 279,154.16

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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.