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Finding the Fourth Proportional to 647,733.70, 970,288.35 and 366,922.90

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Solution

The fourth proportional to 647,733.70, 970,288.35 and 366,922.90 is: 549,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,733.70 : 970,288.35 = 366,922.90 : x
  2. Step 2: Convert to fraction form
    647,733.70/970,288.35 = 366,922.90/x
  3. Step 3: Cross multiply
    647,733.70x = 970,288.35 × 366,922.90
  4. Step 4: Simplify right side
    647,733.70x = 356,021,015,218.22
  5. Step 5: Solve for x
    x = 356,021,015,218.22/647,733.70
  6. Step 6: Final answer
    x = 549,641.03

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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.