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Finding the Fourth Proportional to 1,194.22, 1,648.02 and 670.25

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Solution

The fourth proportional to 1,194.22, 1,648.02 and 670.25 is: 924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.22 : 1,648.02 = 670.25 : x
  2. Step 2: Convert to fraction form
    1,194.22/1,648.02 = 670.25/x
  3. Step 3: Cross multiply
    1,194.22x = 1,648.02 × 670.25
  4. Step 4: Simplify right side
    1,194.22x = 1,104,585.41
  5. Step 5: Solve for x
    x = 1,104,585.41/1,194.22
  6. Step 6: Final answer
    x = 924.94

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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.