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Finding the Fourth Proportional to 351,367.86, 484,887.54 and 190,222.80

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Solution

The fourth proportional to 351,367.86, 484,887.54 and 190,222.80 is: 262,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,367.86 : 484,887.54 = 190,222.80 : x
  2. Step 2: Convert to fraction form
    351,367.86/484,887.54 = 190,222.80/x
  3. Step 3: Cross multiply
    351,367.86x = 484,887.54 × 190,222.80
  4. Step 4: Simplify right side
    351,367.86x = 92,236,665,543.91
  5. Step 5: Solve for x
    x = 92,236,665,543.91/351,367.86
  6. Step 6: Final answer
    x = 262,507.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.