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Finding the Fourth Proportional to 794.24, 1,095.84 and 483.20

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Solution

The fourth proportional to 794.24, 1,095.84 and 483.20 is: 666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.24 : 1,095.84 = 483.20 : x
  2. Step 2: Convert to fraction form
    794.24/1,095.84 = 483.20/x
  3. Step 3: Cross multiply
    794.24x = 1,095.84 × 483.20
  4. Step 4: Simplify right side
    794.24x = 529,509.89
  5. Step 5: Solve for x
    x = 529,509.89/794.24
  6. Step 6: Final answer
    x = 666.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.