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Finding the Fourth Proportional to 944.38, 1,303.20 and 524.75

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Solution

The fourth proportional to 944.38, 1,303.20 and 524.75 is: 724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.38 : 1,303.20 = 524.75 : x
  2. Step 2: Convert to fraction form
    944.38/1,303.20 = 524.75/x
  3. Step 3: Cross multiply
    944.38x = 1,303.20 × 524.75
  4. Step 4: Simplify right side
    944.38x = 683,854.20
  5. Step 5: Solve for x
    x = 683,854.20/944.38
  6. Step 6: Final answer
    x = 724.13

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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.