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Finding the Fourth Proportional to 383,390.30, 575,192.13 and 167,267.94

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Solution

The fourth proportional to 383,390.30, 575,192.13 and 167,267.94 is: 250,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,390.30 : 575,192.13 = 167,267.94 : x
  2. Step 2: Convert to fraction form
    383,390.30/575,192.13 = 167,267.94/x
  3. Step 3: Cross multiply
    383,390.30x = 575,192.13 × 167,267.94
  4. Step 4: Simplify right side
    383,390.30x = 96,211,198,977.01
  5. Step 5: Solve for x
    x = 96,211,198,977.01/383,390.30
  6. Step 6: Final answer
    x = 250,948.45

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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.