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Finding the Fourth Proportional to 1,194.49, 1,788.43 and 901.10

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Solution

The fourth proportional to 1,194.49, 1,788.43 and 901.10 is: 1,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.49 : 1,788.43 = 901.10 : x
  2. Step 2: Convert to fraction form
    1,194.49/1,788.43 = 901.10/x
  3. Step 3: Cross multiply
    1,194.49x = 1,788.43 × 901.10
  4. Step 4: Simplify right side
    1,194.49x = 1,611,554.27
  5. Step 5: Solve for x
    x = 1,611,554.27/1,194.49
  6. Step 6: Final answer
    x = 1,349.16

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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.