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Finding the Fourth Proportional to 907.24, 1,252.00 and 514.27

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Solution

The fourth proportional to 907.24, 1,252.00 and 514.27 is: 709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.24 : 1,252.00 = 514.27 : x
  2. Step 2: Convert to fraction form
    907.24/1,252.00 = 514.27/x
  3. Step 3: Cross multiply
    907.24x = 1,252.00 × 514.27
  4. Step 4: Simplify right side
    907.24x = 643,859.76
  5. Step 5: Solve for x
    x = 643,859.76/907.24
  6. Step 6: Final answer
    x = 709.69

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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.