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Finding the Fourth Proportional to 930.44, 1,395.10 and 467.16

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Solution

The fourth proportional to 930.44, 1,395.10 and 467.16 is: 700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.44 : 1,395.10 = 467.16 : x
  2. Step 2: Convert to fraction form
    930.44/1,395.10 = 467.16/x
  3. Step 3: Cross multiply
    930.44x = 1,395.10 × 467.16
  4. Step 4: Simplify right side
    930.44x = 651,734.92
  5. Step 5: Solve for x
    x = 651,734.92/930.44
  6. Step 6: Final answer
    x = 700.46

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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.