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Finding the Fourth Proportional to 792.58, 1,094.15 and 527.46

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Solution

The fourth proportional to 792.58, 1,094.15 and 527.46 is: 728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.58 : 1,094.15 = 527.46 : x
  2. Step 2: Convert to fraction form
    792.58/1,094.15 = 527.46/x
  3. Step 3: Cross multiply
    792.58x = 1,094.15 × 527.46
  4. Step 4: Simplify right side
    792.58x = 577,121.82
  5. Step 5: Solve for x
    x = 577,121.82/792.58
  6. Step 6: Final answer
    x = 728.15

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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.