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Finding the Fourth Proportional to 479,880.80, 719,267.61 and 180,170.22

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Solution

The fourth proportional to 479,880.80, 719,267.61 and 180,170.22 is: 270,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,880.80 : 719,267.61 = 180,170.22 : x
  2. Step 2: Convert to fraction form
    479,880.80/719,267.61 = 180,170.22/x
  3. Step 3: Cross multiply
    479,880.80x = 719,267.61 × 180,170.22
  4. Step 4: Simplify right side
    479,880.80x = 129,590,603,532.57
  5. Step 5: Solve for x
    x = 129,590,603,532.57/479,880.80
  6. Step 6: Final answer
    x = 270,047.49

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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.