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Finding the Fourth Proportional to 795.51, 1,097.59 and 480.67

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Solution

The fourth proportional to 795.51, 1,097.59 and 480.67 is: 663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.51 : 1,097.59 = 480.67 : x
  2. Step 2: Convert to fraction form
    795.51/1,097.59 = 480.67/x
  3. Step 3: Cross multiply
    795.51x = 1,097.59 × 480.67
  4. Step 4: Simplify right side
    795.51x = 527,578.59
  5. Step 5: Solve for x
    x = 527,578.59/795.51
  6. Step 6: Final answer
    x = 663.20

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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.