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Finding the Fourth Proportional to 925.36, 1,275.95 and 593.39

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Solution

The fourth proportional to 925.36, 1,275.95 and 593.39 is: 818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.36 : 1,275.95 = 593.39 : x
  2. Step 2: Convert to fraction form
    925.36/1,275.95 = 593.39/x
  3. Step 3: Cross multiply
    925.36x = 1,275.95 × 593.39
  4. Step 4: Simplify right side
    925.36x = 757,140.64
  5. Step 5: Solve for x
    x = 757,140.64/925.36
  6. Step 6: Final answer
    x = 818.21

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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.