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Finding the Fourth Proportional to 294.93, 442.70 and 202.74

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Solution

The fourth proportional to 294.93, 442.70 and 202.74 is: 304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.93 : 442.70 = 202.74 : x
  2. Step 2: Convert to fraction form
    294.93/442.70 = 202.74/x
  3. Step 3: Cross multiply
    294.93x = 442.70 × 202.74
  4. Step 4: Simplify right side
    294.93x = 89,753.00
  5. Step 5: Solve for x
    x = 89,753.00/294.93
  6. Step 6: Final answer
    x = 304.32

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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.