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Finding the Fourth Proportional to 350,457.90, 483,631.41 and 189,312.90

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Solution

The fourth proportional to 350,457.90, 483,631.41 and 189,312.90 is: 261,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,457.90 : 483,631.41 = 189,312.90 : x
  2. Step 2: Convert to fraction form
    350,457.90/483,631.41 = 189,312.90/x
  3. Step 3: Cross multiply
    350,457.90x = 483,631.41 × 189,312.90
  4. Step 4: Simplify right side
    350,457.90x = 91,557,664,758.19
  5. Step 5: Solve for x
    x = 91,557,664,758.19/350,457.90
  6. Step 6: Final answer
    x = 261,251.54

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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.