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Finding the Fourth Proportional to 338,528.70, 466,957.17 and 217,826.82

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Solution

The fourth proportional to 338,528.70, 466,957.17 and 217,826.82 is: 300,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,528.70 : 466,957.17 = 217,826.82 : x
  2. Step 2: Convert to fraction form
    338,528.70/466,957.17 = 217,826.82/x
  3. Step 3: Cross multiply
    338,528.70x = 466,957.17 × 217,826.82
  4. Step 4: Simplify right side
    338,528.70x = 101,715,795,417.30
  5. Step 5: Solve for x
    x = 101,715,795,417.30/338,528.70
  6. Step 6: Final answer
    x = 300,464.32

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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.