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Finding the Fourth Proportional to 654,404.91, 981,600.02 and 255,325.94

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Solution

The fourth proportional to 654,404.91, 981,600.02 and 255,325.94 is: 382,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,404.91 : 981,600.02 = 255,325.94 : x
  2. Step 2: Convert to fraction form
    654,404.91/981,600.02 = 255,325.94/x
  3. Step 3: Cross multiply
    654,404.91x = 981,600.02 × 255,325.94
  4. Step 4: Simplify right side
    654,404.91x = 250,627,946,264.36
  5. Step 5: Solve for x
    x = 250,627,946,264.36/654,404.91
  6. Step 6: Final answer
    x = 382,986.04

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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.