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Finding the Fourth Proportional to 383,626.50, 575,522.82 and 146,969.19

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Solution

The fourth proportional to 383,626.50, 575,522.82 and 146,969.19 is: 220,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,626.50 : 575,522.82 = 146,969.19 : x
  2. Step 2: Convert to fraction form
    383,626.50/575,522.82 = 146,969.19/x
  3. Step 3: Cross multiply
    383,626.50x = 575,522.82 × 146,969.19
  4. Step 4: Simplify right side
    383,626.50x = 84,584,122,681.92
  5. Step 5: Solve for x
    x = 84,584,122,681.92/383,626.50
  6. Step 6: Final answer
    x = 220,485.61

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1.5x scale

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.