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Finding the Fourth Proportional to 383,263.31, 574,964.22 and 158,501.68

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Solution

The fourth proportional to 383,263.31, 574,964.22 and 158,501.68 is: 237,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,263.31 : 574,964.22 = 158,501.68 : x
  2. Step 2: Convert to fraction form
    383,263.31/574,964.22 = 158,501.68/x
  3. Step 3: Cross multiply
    383,263.31x = 574,964.22 × 158,501.68
  4. Step 4: Simplify right side
    383,263.31x = 91,132,794,809.89
  5. Step 5: Solve for x
    x = 91,132,794,809.89/383,263.31
  6. Step 6: Final answer
    x = 237,781.16

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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.