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Finding the Fourth Proportional to 1,556.94, 2,334.93 and 461.46

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Solution

The fourth proportional to 1,556.94, 2,334.93 and 461.46 is: 692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.94 : 2,334.93 = 461.46 : x
  2. Step 2: Convert to fraction form
    1,556.94/2,334.93 = 461.46/x
  3. Step 3: Cross multiply
    1,556.94x = 2,334.93 × 461.46
  4. Step 4: Simplify right side
    1,556.94x = 1,077,476.80
  5. Step 5: Solve for x
    x = 1,077,476.80/1,556.94
  6. Step 6: Final answer
    x = 692.05

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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.