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Finding the Fourth Proportional to 792.60, 1,094.10 and 497.94

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Solution

The fourth proportional to 792.60, 1,094.10 and 497.94 is: 687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.60 : 1,094.10 = 497.94 : x
  2. Step 2: Convert to fraction form
    792.60/1,094.10 = 497.94/x
  3. Step 3: Cross multiply
    792.60x = 1,094.10 × 497.94
  4. Step 4: Simplify right side
    792.60x = 544,796.15
  5. Step 5: Solve for x
    x = 544,796.15/792.60
  6. Step 6: Final answer
    x = 687.35

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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.