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Finding the Fourth Proportional to 794.12, 1,095.99 and 458.15

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Solution

The fourth proportional to 794.12, 1,095.99 and 458.15 is: 632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.12 : 1,095.99 = 458.15 : x
  2. Step 2: Convert to fraction form
    794.12/1,095.99 = 458.15/x
  3. Step 3: Cross multiply
    794.12x = 1,095.99 × 458.15
  4. Step 4: Simplify right side
    794.12x = 502,127.82
  5. Step 5: Solve for x
    x = 502,127.82/794.12
  6. Step 6: Final answer
    x = 632.31

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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.