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Finding the Fourth Proportional to 844.68, 1,267.70 and 358.07

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Solution

The fourth proportional to 844.68, 1,267.70 and 358.07 is: 537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.68 : 1,267.70 = 358.07 : x
  2. Step 2: Convert to fraction form
    844.68/1,267.70 = 358.07/x
  3. Step 3: Cross multiply
    844.68x = 1,267.70 × 358.07
  4. Step 4: Simplify right side
    844.68x = 453,925.34
  5. Step 5: Solve for x
    x = 453,925.34/844.68
  6. Step 6: Final answer
    x = 537.39

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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.