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Finding the Fourth Proportional to 369,059.88, 509,340.24 and 225,914.52

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Solution

The fourth proportional to 369,059.88, 509,340.24 and 225,914.52 is: 311,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,059.88 : 509,340.24 = 225,914.52 : x
  2. Step 2: Convert to fraction form
    369,059.88/509,340.24 = 225,914.52/x
  3. Step 3: Cross multiply
    369,059.88x = 509,340.24 × 225,914.52
  4. Step 4: Simplify right side
    369,059.88x = 115,067,355,836.29
  5. Step 5: Solve for x
    x = 115,067,355,836.29/369,059.88
  6. Step 6: Final answer
    x = 311,785.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.