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Finding the Fourth Proportional to 794.42, 1,095.93 and 462.86

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Solution

The fourth proportional to 794.42, 1,095.93 and 462.86 is: 638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.42 : 1,095.93 = 462.86 : x
  2. Step 2: Convert to fraction form
    794.42/1,095.93 = 462.86/x
  3. Step 3: Cross multiply
    794.42x = 1,095.93 × 462.86
  4. Step 4: Simplify right side
    794.42x = 507,262.16
  5. Step 5: Solve for x
    x = 507,262.16/794.42
  6. Step 6: Final answer
    x = 638.53

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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.