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Finding the Fourth Proportional to 1,167, 1,750.80 and 436.59

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Solution

The fourth proportional to 1,167, 1,750.80 and 436.59 is: 654.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167 : 1,750.80 = 436.59 : x
  2. Step 2: Convert to fraction form
    1,167/1,750.80 = 436.59/x
  3. Step 3: Cross multiply
    1,167x = 1,750.80 × 436.59
  4. Step 4: Simplify right side
    1,167x = 764,373.02
  5. Step 5: Solve for x
    x = 764,373.02/1,167
  6. Step 6: Final answer
    x = 654.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.