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Finding the Fourth Proportional to 929,589, 1,282,832.84 and 527,181

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Solution

The fourth proportional to 929,589, 1,282,832.84 and 527,181 is: 727,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,589 : 1,282,832.84 = 527,181 : x
  2. Step 2: Convert to fraction form
    929,589/1,282,832.84 = 527,181/x
  3. Step 3: Cross multiply
    929,589x = 1,282,832.84 × 527,181
  4. Step 4: Simplify right side
    929,589x = 676,285,099,424.04
  5. Step 5: Solve for x
    x = 676,285,099,424.04/929,589
  6. Step 6: Final answer
    x = 727,509.79

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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.