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Finding the Fourth Proportional to 944.98, 1,304.16 and 525.38

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Solution

The fourth proportional to 944.98, 1,304.16 and 525.38 is: 725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.98 : 1,304.16 = 525.38 : x
  2. Step 2: Convert to fraction form
    944.98/1,304.16 = 525.38/x
  3. Step 3: Cross multiply
    944.98x = 1,304.16 × 525.38
  4. Step 4: Simplify right side
    944.98x = 685,179.58
  5. Step 5: Solve for x
    x = 685,179.58/944.98
  6. Step 6: Final answer
    x = 725.07

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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.