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Finding the Fourth Proportional to 393,239.34, 589,859.43 and 97,751.34

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Solution

The fourth proportional to 393,239.34, 589,859.43 and 97,751.34 is: 146,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,239.34 : 589,859.43 = 97,751.34 : x
  2. Step 2: Convert to fraction form
    393,239.34/589,859.43 = 97,751.34/x
  3. Step 3: Cross multiply
    393,239.34x = 589,859.43 × 97,751.34
  4. Step 4: Simplify right side
    393,239.34x = 57,659,549,694.14
  5. Step 5: Solve for x
    x = 57,659,549,694.14/393,239.34
  6. Step 6: Final answer
    x = 146,627.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.