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Finding the Fourth Proportional to 1,194.07, 1,647.92 and 670.03

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Solution

The fourth proportional to 1,194.07, 1,647.92 and 670.03 is: 924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.07 : 1,647.92 = 670.03 : x
  2. Step 2: Convert to fraction form
    1,194.07/1,647.92 = 670.03/x
  3. Step 3: Cross multiply
    1,194.07x = 1,647.92 × 670.03
  4. Step 4: Simplify right side
    1,194.07x = 1,104,155.84
  5. Step 5: Solve for x
    x = 1,104,155.84/1,194.07
  6. Step 6: Final answer
    x = 924.70

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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.