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Finding the Fourth Proportional to 934.99, 1,402.49 and 250.99

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Solution

The fourth proportional to 934.99, 1,402.49 and 250.99 is: 376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.99 : 1,402.49 = 250.99 : x
  2. Step 2: Convert to fraction form
    934.99/1,402.49 = 250.99/x
  3. Step 3: Cross multiply
    934.99x = 1,402.49 × 250.99
  4. Step 4: Simplify right side
    934.99x = 352,013.60
  5. Step 5: Solve for x
    x = 352,013.60/934.99
  6. Step 6: Final answer
    x = 376.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.