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Finding the Fourth Proportional to 1,044.90, 1,566.90 and 496.44

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Solution

The fourth proportional to 1,044.90, 1,566.90 and 496.44 is: 744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.90 : 1,566.90 = 496.44 : x
  2. Step 2: Convert to fraction form
    1,044.90/1,566.90 = 496.44/x
  3. Step 3: Cross multiply
    1,044.90x = 1,566.90 × 496.44
  4. Step 4: Simplify right side
    1,044.90x = 777,871.84
  5. Step 5: Solve for x
    x = 777,871.84/1,044.90
  6. Step 6: Final answer
    x = 744.45

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1.5x scale

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.