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Finding the Fourth Proportional to 792.61, 1,094.15 and 527.52

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Solution

The fourth proportional to 792.61, 1,094.15 and 527.52 is: 728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.61 : 1,094.15 = 527.52 : x
  2. Step 2: Convert to fraction form
    792.61/1,094.15 = 527.52/x
  3. Step 3: Cross multiply
    792.61x = 1,094.15 × 527.52
  4. Step 4: Simplify right side
    792.61x = 577,184.48
  5. Step 5: Solve for x
    x = 577,184.48/792.61
  6. Step 6: Final answer
    x = 728.21

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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.