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Finding the Fourth Proportional to 297,813.80, 416,006.20 and 297,813.80

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Solution

The fourth proportional to 297,813.80, 416,006.20 and 297,813.80 is: 416,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,813.80 : 416,006.20 = 297,813.80 : x
  2. Step 2: Convert to fraction form
    297,813.80/416,006.20 = 297,813.80/x
  3. Step 3: Cross multiply
    297,813.80x = 416,006.20 × 297,813.80
  4. Step 4: Simplify right side
    297,813.80x = 123,892,387,245.56
  5. Step 5: Solve for x
    x = 123,892,387,245.56/297,813.80
  6. Step 6: Final answer
    x = 416,006.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.