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Finding the Fourth Proportional to 350,358.84, 483,495.21 and 189,213.93

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Solution

The fourth proportional to 350,358.84, 483,495.21 and 189,213.93 is: 261,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,358.84 : 483,495.21 = 189,213.93 : x
  2. Step 2: Convert to fraction form
    350,358.84/483,495.21 = 189,213.93/x
  3. Step 3: Cross multiply
    350,358.84x = 483,495.21 × 189,213.93
  4. Step 4: Simplify right side
    350,358.84x = 91,484,028,820.28
  5. Step 5: Solve for x
    x = 91,484,028,820.28/350,358.84
  6. Step 6: Final answer
    x = 261,115.23

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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.