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Finding the Fourth Proportional to 937.99, 1,294.52 and 676.16

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Solution

The fourth proportional to 937.99, 1,294.52 and 676.16 is: 933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.99 : 1,294.52 = 676.16 : x
  2. Step 2: Convert to fraction form
    937.99/1,294.52 = 676.16/x
  3. Step 3: Cross multiply
    937.99x = 1,294.52 × 676.16
  4. Step 4: Simplify right side
    937.99x = 875,302.64
  5. Step 5: Solve for x
    x = 875,302.64/937.99
  6. Step 6: Final answer
    x = 933.17

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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.