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Finding the Fourth Proportional to 350,439.41, 483,606.32 and 189,294.47

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Solution

The fourth proportional to 350,439.41, 483,606.32 and 189,294.47 is: 261,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,439.41 : 483,606.32 = 189,294.47 : x
  2. Step 2: Convert to fraction form
    350,439.41/483,606.32 = 189,294.47/x
  3. Step 3: Cross multiply
    350,439.41x = 483,606.32 × 189,294.47
  4. Step 4: Simplify right side
    350,439.41x = 91,543,999,615.02
  5. Step 5: Solve for x
    x = 91,543,999,615.02/350,439.41
  6. Step 6: Final answer
    x = 261,226.33

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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.