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Finding the Fourth Proportional to 573,617.11, 860,418.36 and 257,850.76

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Solution

The fourth proportional to 573,617.11, 860,418.36 and 257,850.76 is: 386,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,617.11 : 860,418.36 = 257,850.76 : x
  2. Step 2: Convert to fraction form
    573,617.11/860,418.36 = 257,850.76/x
  3. Step 3: Cross multiply
    573,617.11x = 860,418.36 × 257,850.76
  4. Step 4: Simplify right side
    573,617.11x = 221,859,528,043.95
  5. Step 5: Solve for x
    x = 221,859,528,043.95/573,617.11
  6. Step 6: Final answer
    x = 386,772.86

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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.