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Finding the Fourth Proportional to 930.51, 1,394.58 and 467.58

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Solution

The fourth proportional to 930.51, 1,394.58 and 467.58 is: 700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.51 : 1,394.58 = 467.58 : x
  2. Step 2: Convert to fraction form
    930.51/1,394.58 = 467.58/x
  3. Step 3: Cross multiply
    930.51x = 1,394.58 × 467.58
  4. Step 4: Simplify right side
    930.51x = 652,077.72
  5. Step 5: Solve for x
    x = 652,077.72/930.51
  6. Step 6: Final answer
    x = 700.77

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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.