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Finding the Fourth Proportional to 463,732.56, 640,551.24 and 383,484.24

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Solution

The fourth proportional to 463,732.56, 640,551.24 and 383,484.24 is: 529,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,732.56 : 640,551.24 = 383,484.24 : x
  2. Step 2: Convert to fraction form
    463,732.56/640,551.24 = 383,484.24/x
  3. Step 3: Cross multiply
    463,732.56x = 640,551.24 × 383,484.24
  4. Step 4: Simplify right side
    463,732.56x = 245,641,305,452.46
  5. Step 5: Solve for x
    x = 245,641,305,452.46/463,732.56
  6. Step 6: Final answer
    x = 529,704.68

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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.