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Finding the Fourth Proportional to 676,542.88, 933,589.12 and 370,558.24

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Solution

The fourth proportional to 676,542.88, 933,589.12 and 370,558.24 is: 511,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,542.88 : 933,589.12 = 370,558.24 : x
  2. Step 2: Convert to fraction form
    676,542.88/933,589.12 = 370,558.24/x
  3. Step 3: Cross multiply
    676,542.88x = 933,589.12 × 370,558.24
  4. Step 4: Simplify right side
    676,542.88x = 345,949,141,190.35
  5. Step 5: Solve for x
    x = 345,949,141,190.35/676,542.88
  6. Step 6: Final answer
    x = 511,348.43

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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.