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Finding the Fourth Proportional to 452,955.46, 678,934.97 and 186,570.66

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Solution

The fourth proportional to 452,955.46, 678,934.97 and 186,570.66 is: 279,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,955.46 : 678,934.97 = 186,570.66 : x
  2. Step 2: Convert to fraction form
    452,955.46/678,934.97 = 186,570.66/x
  3. Step 3: Cross multiply
    452,955.46x = 678,934.97 × 186,570.66
  4. Step 4: Simplify right side
    452,955.46x = 126,669,347,950.42
  5. Step 5: Solve for x
    x = 126,669,347,950.42/452,955.46
  6. Step 6: Final answer
    x = 279,650.78

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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.