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Finding the Fourth Proportional to 948.84, 1,310.22 and 700.59

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Solution

The fourth proportional to 948.84, 1,310.22 and 700.59 is: 967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.84 : 1,310.22 = 700.59 : x
  2. Step 2: Convert to fraction form
    948.84/1,310.22 = 700.59/x
  3. Step 3: Cross multiply
    948.84x = 1,310.22 × 700.59
  4. Step 4: Simplify right side
    948.84x = 917,927.03
  5. Step 5: Solve for x
    x = 917,927.03/948.84
  6. Step 6: Final answer
    x = 967.42

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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.