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Finding the Fourth Proportional to 554,300.70, 831,451.05 and 180,323.70

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Solution

The fourth proportional to 554,300.70, 831,451.05 and 180,323.70 is: 270,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,300.70 : 831,451.05 = 180,323.70 : x
  2. Step 2: Convert to fraction form
    554,300.70/831,451.05 = 180,323.70/x
  3. Step 3: Cross multiply
    554,300.70x = 831,451.05 × 180,323.70
  4. Step 4: Simplify right side
    554,300.70x = 149,930,329,704.89
  5. Step 5: Solve for x
    x = 149,930,329,704.89/554,300.70
  6. Step 6: Final answer
    x = 270,485.55

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Similar ratio
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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.