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Finding the Fourth Proportional to 923.68, 1,274.36 and 592.29

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Solution

The fourth proportional to 923.68, 1,274.36 and 592.29 is: 817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.68 : 1,274.36 = 592.29 : x
  2. Step 2: Convert to fraction form
    923.68/1,274.36 = 592.29/x
  3. Step 3: Cross multiply
    923.68x = 1,274.36 × 592.29
  4. Step 4: Simplify right side
    923.68x = 754,787.72
  5. Step 5: Solve for x
    x = 754,787.72/923.68
  6. Step 6: Final answer
    x = 817.15

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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.