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Finding the Fourth Proportional to 1,155.67, 1,733.49 and 333.96

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Solution

The fourth proportional to 1,155.67, 1,733.49 and 333.96 is: 500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.67 : 1,733.49 = 333.96 : x
  2. Step 2: Convert to fraction form
    1,155.67/1,733.49 = 333.96/x
  3. Step 3: Cross multiply
    1,155.67x = 1,733.49 × 333.96
  4. Step 4: Simplify right side
    1,155.67x = 578,916.32
  5. Step 5: Solve for x
    x = 578,916.32/1,155.67
  6. Step 6: Final answer
    x = 500.94

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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.