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Finding the Fourth Proportional to 1,193.73, 1,788.65 and 607.93

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Solution

The fourth proportional to 1,193.73, 1,788.65 and 607.93 is: 910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.73 : 1,788.65 = 607.93 : x
  2. Step 2: Convert to fraction form
    1,193.73/1,788.65 = 607.93/x
  3. Step 3: Cross multiply
    1,193.73x = 1,788.65 × 607.93
  4. Step 4: Simplify right side
    1,193.73x = 1,087,373.99
  5. Step 5: Solve for x
    x = 1,087,373.99/1,193.73
  6. Step 6: Final answer
    x = 910.90

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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.