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Finding the Fourth Proportional to 792.47, 1,093.01 and 526.43

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Solution

The fourth proportional to 792.47, 1,093.01 and 526.43 is: 726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.47 : 1,093.01 = 526.43 : x
  2. Step 2: Convert to fraction form
    792.47/1,093.01 = 526.43/x
  3. Step 3: Cross multiply
    792.47x = 1,093.01 × 526.43
  4. Step 4: Simplify right side
    792.47x = 575,393.35
  5. Step 5: Solve for x
    x = 575,393.35/792.47
  6. Step 6: Final answer
    x = 726.07

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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.