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Finding the Fourth Proportional to 350,643, 483,887.34 and 191,667

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Solution

The fourth proportional to 350,643, 483,887.34 and 191,667 is: 264,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,643 : 483,887.34 = 191,667 : x
  2. Step 2: Convert to fraction form
    350,643/483,887.34 = 191,667/x
  3. Step 3: Cross multiply
    350,643x = 483,887.34 × 191,667
  4. Step 4: Simplify right side
    350,643x = 92,745,234,795.78
  5. Step 5: Solve for x
    x = 92,745,234,795.78/350,643
  6. Step 6: Final answer
    x = 264,500.46

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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.