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Finding the Fourth Proportional to 848.30, 1,171.14 and 583.14

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Solution

The fourth proportional to 848.30, 1,171.14 and 583.14 is: 805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.30 : 1,171.14 = 583.14 : x
  2. Step 2: Convert to fraction form
    848.30/1,171.14 = 583.14/x
  3. Step 3: Cross multiply
    848.30x = 1,171.14 × 583.14
  4. Step 4: Simplify right side
    848.30x = 682,938.58
  5. Step 5: Solve for x
    x = 682,938.58/848.30
  6. Step 6: Final answer
    x = 805.07

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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.