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Finding the Fourth Proportional to 647,602.53, 970,815.74 and 226,648.77

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Solution

The fourth proportional to 647,602.53, 970,815.74 and 226,648.77 is: 339,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,602.53 : 970,815.74 = 226,648.77 : x
  2. Step 2: Convert to fraction form
    647,602.53/970,815.74 = 226,648.77/x
  3. Step 3: Cross multiply
    647,602.53x = 970,815.74 × 226,648.77
  4. Step 4: Simplify right side
    647,602.53x = 220,034,192,234.40
  5. Step 5: Solve for x
    x = 220,034,192,234.40/647,602.53
  6. Step 6: Final answer
    x = 339,767.35

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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.