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Finding the Fourth Proportional to 404,923.02, 558,790.49 and 223,647.38

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Solution

The fourth proportional to 404,923.02, 558,790.49 and 223,647.38 is: 308,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,923.02 : 558,790.49 = 223,647.38 : x
  2. Step 2: Convert to fraction form
    404,923.02/558,790.49 = 223,647.38/x
  3. Step 3: Cross multiply
    404,923.02x = 558,790.49 × 223,647.38
  4. Step 4: Simplify right side
    404,923.02x = 124,972,029,057.42
  5. Step 5: Solve for x
    x = 124,972,029,057.42/404,923.02
  6. Step 6: Final answer
    x = 308,631.57

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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.