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Finding the Fourth Proportional to 276,516.76, 414,352.56 and 186,225.58

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Solution

The fourth proportional to 276,516.76, 414,352.56 and 186,225.58 is: 279,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,516.76 : 414,352.56 = 186,225.58 : x
  2. Step 2: Convert to fraction form
    276,516.76/414,352.56 = 186,225.58/x
  3. Step 3: Cross multiply
    276,516.76x = 414,352.56 × 186,225.58
  4. Step 4: Simplify right side
    276,516.76x = 77,163,045,810.48
  5. Step 5: Solve for x
    x = 77,163,045,810.48/276,516.76
  6. Step 6: Final answer
    x = 279,053.78

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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.