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Finding the Fourth Proportional to 522,801.30, 784,785.15 and 488,538.30

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Solution

The fourth proportional to 522,801.30, 784,785.15 and 488,538.30 is: 733,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,801.30 : 784,785.15 = 488,538.30 : x
  2. Step 2: Convert to fraction form
    522,801.30/784,785.15 = 488,538.30/x
  3. Step 3: Cross multiply
    522,801.30x = 784,785.15 × 488,538.30
  4. Step 4: Simplify right side
    522,801.30x = 383,397,603,046.25
  5. Step 5: Solve for x
    x = 383,397,603,046.25/522,801.30
  6. Step 6: Final answer
    x = 733,352.43

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Double scale
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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.