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Finding the Fourth Proportional to 545,993.65, 818,950.58 and 186,134.75

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Solution

The fourth proportional to 545,993.65, 818,950.58 and 186,134.75 is: 279,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,993.65 : 818,950.58 = 186,134.75 : x
  2. Step 2: Convert to fraction form
    545,993.65/818,950.58 = 186,134.75/x
  3. Step 3: Cross multiply
    545,993.65x = 818,950.58 × 186,134.75
  4. Step 4: Simplify right side
    545,993.65x = 152,435,161,470.66
  5. Step 5: Solve for x
    x = 152,435,161,470.66/545,993.65
  6. Step 6: Final answer
    x = 279,188.52

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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.