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Finding the Fourth Proportional to 794.16, 1,095.74 and 462.54

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Solution

The fourth proportional to 794.16, 1,095.74 and 462.54 is: 638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.16 : 1,095.74 = 462.54 : x
  2. Step 2: Convert to fraction form
    794.16/1,095.74 = 462.54/x
  3. Step 3: Cross multiply
    794.16x = 1,095.74 × 462.54
  4. Step 4: Simplify right side
    794.16x = 506,823.58
  5. Step 5: Solve for x
    x = 506,823.58/794.16
  6. Step 6: Final answer
    x = 638.19

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1.5x scale

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.