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Finding the Fourth Proportional to 1,713.50, 2,570.26 and 414.98

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Solution

The fourth proportional to 1,713.50, 2,570.26 and 414.98 is: 622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.50 : 2,570.26 = 414.98 : x
  2. Step 2: Convert to fraction form
    1,713.50/2,570.26 = 414.98/x
  3. Step 3: Cross multiply
    1,713.50x = 2,570.26 × 414.98
  4. Step 4: Simplify right side
    1,713.50x = 1,066,592.61
  5. Step 5: Solve for x
    x = 1,066,592.61/1,713.50
  6. Step 6: Final answer
    x = 622.46

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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.