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Finding the Fourth Proportional to 1,715.94, 2,573.28 and 605.04

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Solution

The fourth proportional to 1,715.94, 2,573.28 and 605.04 is: 907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.94 : 2,573.28 = 605.04 : x
  2. Step 2: Convert to fraction form
    1,715.94/2,573.28 = 605.04/x
  3. Step 3: Cross multiply
    1,715.94x = 2,573.28 × 605.04
  4. Step 4: Simplify right side
    1,715.94x = 1,556,937.33
  5. Step 5: Solve for x
    x = 1,556,937.33/1,715.94
  6. Step 6: Final answer
    x = 907.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.