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Finding the Fourth Proportional to 432,560.75, 649,073.50 and 180,015.35

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Solution

The fourth proportional to 432,560.75, 649,073.50 and 180,015.35 is: 270,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,560.75 : 649,073.50 = 180,015.35 : x
  2. Step 2: Convert to fraction form
    432,560.75/649,073.50 = 180,015.35/x
  3. Step 3: Cross multiply
    432,560.75x = 649,073.50 × 180,015.35
  4. Step 4: Simplify right side
    432,560.75x = 116,843,189,132.78
  5. Step 5: Solve for x
    x = 116,843,189,132.78/432,560.75
  6. Step 6: Final answer
    x = 270,119.72

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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.