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Finding the Fourth Proportional to 460,443.44, 691,136.46 and 380,225.81

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Solution

The fourth proportional to 460,443.44, 691,136.46 and 380,225.81 is: 570,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,443.44 : 691,136.46 = 380,225.81 : x
  2. Step 2: Convert to fraction form
    460,443.44/691,136.46 = 380,225.81/x
  3. Step 3: Cross multiply
    460,443.44x = 691,136.46 × 380,225.81
  4. Step 4: Simplify right side
    460,443.44x = 262,787,920,626.03
  5. Step 5: Solve for x
    x = 262,787,920,626.03/460,443.44
  6. Step 6: Final answer
    x = 570,727.91

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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.