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Finding the Fourth Proportional to 623,658.30, 860,650.56 and 337,180.44

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Solution

The fourth proportional to 623,658.30, 860,650.56 and 337,180.44 is: 465,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,658.30 : 860,650.56 = 337,180.44 : x
  2. Step 2: Convert to fraction form
    623,658.30/860,650.56 = 337,180.44/x
  3. Step 3: Cross multiply
    623,658.30x = 860,650.56 × 337,180.44
  4. Step 4: Simplify right side
    623,658.30x = 290,194,534,507.05
  5. Step 5: Solve for x
    x = 290,194,534,507.05/623,658.30
  6. Step 6: Final answer
    x = 465,310.15

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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.