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Finding the Fourth Proportional to 1,167.59, 1,750.15 and 436.87

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Solution

The fourth proportional to 1,167.59, 1,750.15 and 436.87 is: 654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.59 : 1,750.15 = 436.87 : x
  2. Step 2: Convert to fraction form
    1,167.59/1,750.15 = 436.87/x
  3. Step 3: Cross multiply
    1,167.59x = 1,750.15 × 436.87
  4. Step 4: Simplify right side
    1,167.59x = 764,588.03
  5. Step 5: Solve for x
    x = 764,588.03/1,167.59
  6. Step 6: Final answer
    x = 654.84

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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.