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Finding the Fourth Proportional to 1,570.41, 2,356.69 and 544.41

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Solution

The fourth proportional to 1,570.41, 2,356.69 and 544.41 is: 816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.41 : 2,356.69 = 544.41 : x
  2. Step 2: Convert to fraction form
    1,570.41/2,356.69 = 544.41/x
  3. Step 3: Cross multiply
    1,570.41x = 2,356.69 × 544.41
  4. Step 4: Simplify right side
    1,570.41x = 1,282,996.43
  5. Step 5: Solve for x
    x = 1,282,996.43/1,570.41
  6. Step 6: Final answer
    x = 816.98

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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.