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Finding the Fourth Proportional to 647,466.30, 971,199.45 and 584,480.70

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Solution

The fourth proportional to 647,466.30, 971,199.45 and 584,480.70 is: 876,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,466.30 : 971,199.45 = 584,480.70 : x
  2. Step 2: Convert to fraction form
    647,466.30/971,199.45 = 584,480.70/x
  3. Step 3: Cross multiply
    647,466.30x = 971,199.45 × 584,480.70
  4. Step 4: Simplify right side
    647,466.30x = 567,647,334,375.62
  5. Step 5: Solve for x
    x = 567,647,334,375.62/647,466.30
  6. Step 6: Final answer
    x = 876,721.05

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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.