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Finding the Fourth Proportional to 315,364.24, 435,136.02 and 200,601.10

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Solution

The fourth proportional to 315,364.24, 435,136.02 and 200,601.10 is: 276,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,364.24 : 435,136.02 = 200,601.10 : x
  2. Step 2: Convert to fraction form
    315,364.24/435,136.02 = 200,601.10/x
  3. Step 3: Cross multiply
    315,364.24x = 435,136.02 × 200,601.10
  4. Step 4: Simplify right side
    315,364.24x = 87,288,764,261.62
  5. Step 5: Solve for x
    x = 87,288,764,261.62/315,364.24
  6. Step 6: Final answer
    x = 276,787.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.