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Finding the Fourth Proportional to 944.33, 1,416.47 and 294.98

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Solution

The fourth proportional to 944.33, 1,416.47 and 294.98 is: 442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.33 : 1,416.47 = 294.98 : x
  2. Step 2: Convert to fraction form
    944.33/1,416.47 = 294.98/x
  3. Step 3: Cross multiply
    944.33x = 1,416.47 × 294.98
  4. Step 4: Simplify right side
    944.33x = 417,821.76
  5. Step 5: Solve for x
    x = 417,821.76/944.33
  6. Step 6: Final answer
    x = 442.46

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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.