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Finding the Fourth Proportional to 795.50, 1,097.81 and 446.18

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Solution

The fourth proportional to 795.50, 1,097.81 and 446.18 is: 615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.50 : 1,097.81 = 446.18 : x
  2. Step 2: Convert to fraction form
    795.50/1,097.81 = 446.18/x
  3. Step 3: Cross multiply
    795.50x = 1,097.81 × 446.18
  4. Step 4: Simplify right side
    795.50x = 489,820.87
  5. Step 5: Solve for x
    x = 489,820.87/795.50
  6. Step 6: Final answer
    x = 615.74

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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.