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Finding the Fourth Proportional to 910.58, 1,364.24 and 601.98

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Solution

The fourth proportional to 910.58, 1,364.24 and 601.98 is: 901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.58 : 1,364.24 = 601.98 : x
  2. Step 2: Convert to fraction form
    910.58/1,364.24 = 601.98/x
  3. Step 3: Cross multiply
    910.58x = 1,364.24 × 601.98
  4. Step 4: Simplify right side
    910.58x = 821,245.20
  5. Step 5: Solve for x
    x = 821,245.20/910.58
  6. Step 6: Final answer
    x = 901.89

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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.