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Finding the Fourth Proportional to 925.58, 1,277.44 and 576.38

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Solution

The fourth proportional to 925.58, 1,277.44 and 576.38 is: 795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.58 : 1,277.44 = 576.38 : x
  2. Step 2: Convert to fraction form
    925.58/1,277.44 = 576.38/x
  3. Step 3: Cross multiply
    925.58x = 1,277.44 × 576.38
  4. Step 4: Simplify right side
    925.58x = 736,290.87
  5. Step 5: Solve for x
    x = 736,290.87/925.58
  6. Step 6: Final answer
    x = 795.49

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Double scale
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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.