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Finding the Fourth Proportional to 517,073.70, 775,614.44 and 180,113.80

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Solution

The fourth proportional to 517,073.70, 775,614.44 and 180,113.80 is: 270,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,073.70 : 775,614.44 = 180,113.80 : x
  2. Step 2: Convert to fraction form
    517,073.70/775,614.44 = 180,113.80/x
  3. Step 3: Cross multiply
    517,073.70x = 775,614.44 × 180,113.80
  4. Step 4: Simplify right side
    517,073.70x = 139,698,865,257.07
  5. Step 5: Solve for x
    x = 139,698,865,257.07/517,073.70
  6. Step 6: Final answer
    x = 270,172.06

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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.