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Finding the Fourth Proportional to 229,682.58, 317,059.17 and 215,334.42

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Solution

The fourth proportional to 229,682.58, 317,059.17 and 215,334.42 is: 297,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,682.58 : 317,059.17 = 215,334.42 : x
  2. Step 2: Convert to fraction form
    229,682.58/317,059.17 = 215,334.42/x
  3. Step 3: Cross multiply
    229,682.58x = 317,059.17 × 215,334.42
  4. Step 4: Simplify right side
    229,682.58x = 68,273,752,477.63
  5. Step 5: Solve for x
    x = 68,273,752,477.63/229,682.58
  6. Step 6: Final answer
    x = 297,252.64

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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.