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Finding the Fourth Proportional to 383,490.33, 575,363.07 and 170,228.67

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Solution

The fourth proportional to 383,490.33, 575,363.07 and 170,228.67 is: 255,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,490.33 : 575,363.07 = 170,228.67 : x
  2. Step 2: Convert to fraction form
    383,490.33/575,363.07 = 170,228.67/x
  3. Step 3: Cross multiply
    383,490.33x = 575,363.07 × 170,228.67
  4. Step 4: Simplify right side
    383,490.33x = 97,943,290,173.22
  5. Step 5: Solve for x
    x = 97,943,290,173.22/383,490.33
  6. Step 6: Final answer
    x = 255,399.63

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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.