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Finding the Fourth Proportional to 622,205.40, 932,616.90 and 341,923.80

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Solution

The fourth proportional to 622,205.40, 932,616.90 and 341,923.80 is: 512,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,205.40 : 932,616.90 = 341,923.80 : x
  2. Step 2: Convert to fraction form
    622,205.40/932,616.90 = 341,923.80/x
  3. Step 3: Cross multiply
    622,205.40x = 932,616.90 × 341,923.80
  4. Step 4: Simplify right side
    622,205.40x = 318,883,914,392.22
  5. Step 5: Solve for x
    x = 318,883,914,392.22/622,205.40
  6. Step 6: Final answer
    x = 512,505.86

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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.