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Finding the Fourth Proportional to 647,551.60, 971,068.20 and 226,610.80

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Solution

The fourth proportional to 647,551.60, 971,068.20 and 226,610.80 is: 339,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,551.60 : 971,068.20 = 226,610.80 : x
  2. Step 2: Convert to fraction form
    647,551.60/971,068.20 = 226,610.80/x
  3. Step 3: Cross multiply
    647,551.60x = 971,068.20 × 226,610.80
  4. Step 4: Simplify right side
    647,551.60x = 220,054,541,656.56
  5. Step 5: Solve for x
    x = 220,054,541,656.56/647,551.60
  6. Step 6: Final answer
    x = 339,825.49

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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.