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Finding the Fourth Proportional to 926.26, 1,277.54 and 739.52

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Solution

The fourth proportional to 926.26, 1,277.54 and 739.52 is: 1,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.26 : 1,277.54 = 739.52 : x
  2. Step 2: Convert to fraction form
    926.26/1,277.54 = 739.52/x
  3. Step 3: Cross multiply
    926.26x = 1,277.54 × 739.52
  4. Step 4: Simplify right side
    926.26x = 944,766.38
  5. Step 5: Solve for x
    x = 944,766.38/926.26
  6. Step 6: Final answer
    x = 1,019.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.