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Finding the Fourth Proportional to 887.88, 1,226.14 and 593.84

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Solution

The fourth proportional to 887.88, 1,226.14 and 593.84 is: 820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.88 : 1,226.14 = 593.84 : x
  2. Step 2: Convert to fraction form
    887.88/1,226.14 = 593.84/x
  3. Step 3: Cross multiply
    887.88x = 1,226.14 × 593.84
  4. Step 4: Simplify right side
    887.88x = 728,130.98
  5. Step 5: Solve for x
    x = 728,130.98/887.88
  6. Step 6: Final answer
    x = 820.08

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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.