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Finding the Fourth Proportional to 350,409, 483,564.48 and 191,433

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Solution

The fourth proportional to 350,409, 483,564.48 and 191,433 is: 264,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,409 : 483,564.48 = 191,433 : x
  2. Step 2: Convert to fraction form
    350,409/483,564.48 = 191,433/x
  3. Step 3: Cross multiply
    350,409x = 483,564.48 × 191,433
  4. Step 4: Simplify right side
    350,409x = 92,570,199,099.84
  5. Step 5: Solve for x
    x = 92,570,199,099.84/350,409
  6. Step 6: Final answer
    x = 264,177.57

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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.