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Finding the Fourth Proportional to 979.04, 1,468.48 and 295.04

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Solution

The fourth proportional to 979.04, 1,468.48 and 295.04 is: 442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979.04 : 1,468.48 = 295.04 : x
  2. Step 2: Convert to fraction form
    979.04/1,468.48 = 295.04/x
  3. Step 3: Cross multiply
    979.04x = 1,468.48 × 295.04
  4. Step 4: Simplify right side
    979.04x = 433,260.34
  5. Step 5: Solve for x
    x = 433,260.34/979.04
  6. Step 6: Final answer
    x = 442.54

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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.