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Finding the Fourth Proportional to 700.49, 1,048.82 and 537.41

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Solution

The fourth proportional to 700.49, 1,048.82 and 537.41 is: 804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.49 : 1,048.82 = 537.41 : x
  2. Step 2: Convert to fraction form
    700.49/1,048.82 = 537.41/x
  3. Step 3: Cross multiply
    700.49x = 1,048.82 × 537.41
  4. Step 4: Simplify right side
    700.49x = 563,638.43
  5. Step 5: Solve for x
    x = 563,638.43/700.49
  6. Step 6: Final answer
    x = 804.64

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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.