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Finding the Fourth Proportional to 841.74, 1,162.62 and 593.88

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Solution

The fourth proportional to 841.74, 1,162.62 and 593.88 is: 820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.74 : 1,162.62 = 593.88 : x
  2. Step 2: Convert to fraction form
    841.74/1,162.62 = 593.88/x
  3. Step 3: Cross multiply
    841.74x = 1,162.62 × 593.88
  4. Step 4: Simplify right side
    841.74x = 690,456.77
  5. Step 5: Solve for x
    x = 690,456.77/841.74
  6. Step 6: Final answer
    x = 820.27

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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.