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Finding the Fourth Proportional to 404,790.60, 607,553.10 and 205,249.80

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Solution

The fourth proportional to 404,790.60, 607,553.10 and 205,249.80 is: 308,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,790.60 : 607,553.10 = 205,249.80 : x
  2. Step 2: Convert to fraction form
    404,790.60/607,553.10 = 205,249.80/x
  3. Step 3: Cross multiply
    404,790.60x = 607,553.10 × 205,249.80
  4. Step 4: Simplify right side
    404,790.60x = 124,700,152,264.38
  5. Step 5: Solve for x
    x = 124,700,152,264.38/404,790.60
  6. Step 6: Final answer
    x = 308,060.89

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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.