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Finding the Fourth Proportional to 404,299.46, 557,937.15 and 223,019.03

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Solution

The fourth proportional to 404,299.46, 557,937.15 and 223,019.03 is: 307,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,299.46 : 557,937.15 = 223,019.03 : x
  2. Step 2: Convert to fraction form
    404,299.46/557,937.15 = 223,019.03/x
  3. Step 3: Cross multiply
    404,299.46x = 557,937.15 × 223,019.03
  4. Step 4: Simplify right side
    404,299.46x = 124,430,603,388.81
  5. Step 5: Solve for x
    x = 124,430,603,388.81/404,299.46
  6. Step 6: Final answer
    x = 307,768.41

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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.