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Finding the Fourth Proportional to 432,626.68, 648,480.48 and 255,217.24

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Solution

The fourth proportional to 432,626.68, 648,480.48 and 255,217.24 is: 382,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,626.68 : 648,480.48 = 255,217.24 : x
  2. Step 2: Convert to fraction form
    432,626.68/648,480.48 = 255,217.24/x
  3. Step 3: Cross multiply
    432,626.68x = 648,480.48 × 255,217.24
  4. Step 4: Simplify right side
    432,626.68x = 165,503,398,299.48
  5. Step 5: Solve for x
    x = 165,503,398,299.48/432,626.68
  6. Step 6: Final answer
    x = 382,554.77

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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.