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Finding the Fourth Proportional to 795.07, 1,097.13 and 445.69

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Solution

The fourth proportional to 795.07, 1,097.13 and 445.69 is: 615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.07 : 1,097.13 = 445.69 : x
  2. Step 2: Convert to fraction form
    795.07/1,097.13 = 445.69/x
  3. Step 3: Cross multiply
    795.07x = 1,097.13 × 445.69
  4. Step 4: Simplify right side
    795.07x = 488,977.13
  5. Step 5: Solve for x
    x = 488,977.13/795.07
  6. Step 6: Final answer
    x = 615.01

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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.