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Finding the Fourth Proportional to 647,104.16, 970,794.48 and 226,393.76

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Solution

The fourth proportional to 647,104.16, 970,794.48 and 226,393.76 is: 339,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,104.16 : 970,794.48 = 226,393.76 : x
  2. Step 2: Convert to fraction form
    647,104.16/970,794.48 = 226,393.76/x
  3. Step 3: Cross multiply
    647,104.16x = 970,794.48 × 226,393.76
  4. Step 4: Simplify right side
    647,104.16x = 219,781,812,514.45
  5. Step 5: Solve for x
    x = 219,781,812,514.45/647,104.16
  6. Step 6: Final answer
    x = 339,639.00

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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.