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Finding the Fourth Proportional to 647,330.70, 971,433.45 and 363,020.70

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Solution

The fourth proportional to 647,330.70, 971,433.45 and 363,020.70 is: 544,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,330.70 : 971,433.45 = 363,020.70 : x
  2. Step 2: Convert to fraction form
    647,330.70/971,433.45 = 363,020.70/x
  3. Step 3: Cross multiply
    647,330.70x = 971,433.45 × 363,020.70
  4. Step 4: Simplify right side
    647,330.70x = 352,650,451,022.42
  5. Step 5: Solve for x
    x = 352,650,451,022.42/647,330.70
  6. Step 6: Final answer
    x = 544,776.34

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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.