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Finding the Fourth Proportional to 1,097.09, 1,514.00 and 624.92

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Solution

The fourth proportional to 1,097.09, 1,514.00 and 624.92 is: 862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.09 : 1,514.00 = 624.92 : x
  2. Step 2: Convert to fraction form
    1,097.09/1,514.00 = 624.92/x
  3. Step 3: Cross multiply
    1,097.09x = 1,514.00 × 624.92
  4. Step 4: Simplify right side
    1,097.09x = 946,134.23
  5. Step 5: Solve for x
    x = 946,134.23/1,097.09
  6. Step 6: Final answer
    x = 862.41

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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.