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Finding the Fourth Proportional to 350,955.43, 484,318.48 and 189,810.48

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Solution

The fourth proportional to 350,955.43, 484,318.48 and 189,810.48 is: 261,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,955.43 : 484,318.48 = 189,810.48 : x
  2. Step 2: Convert to fraction form
    350,955.43/484,318.48 = 189,810.48/x
  3. Step 3: Cross multiply
    350,955.43x = 484,318.48 × 189,810.48
  4. Step 4: Simplify right side
    350,955.43x = 91,928,723,161.67
  5. Step 5: Solve for x
    x = 91,928,723,161.67/350,955.43
  6. Step 6: Final answer
    x = 261,938.46

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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.