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Finding the Fourth Proportional to 1,033.76, 1,550.46 and 340.44

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Solution

The fourth proportional to 1,033.76, 1,550.46 and 340.44 is: 510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.76 : 1,550.46 = 340.44 : x
  2. Step 2: Convert to fraction form
    1,033.76/1,550.46 = 340.44/x
  3. Step 3: Cross multiply
    1,033.76x = 1,550.46 × 340.44
  4. Step 4: Simplify right side
    1,033.76x = 527,838.60
  5. Step 5: Solve for x
    x = 527,838.60/1,033.76
  6. Step 6: Final answer
    x = 510.60

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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.