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Finding the Fourth Proportional to 1,155.04, 1,732.84 and 333.29

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Solution

The fourth proportional to 1,155.04, 1,732.84 and 333.29 is: 500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.04 : 1,732.84 = 333.29 : x
  2. Step 2: Convert to fraction form
    1,155.04/1,732.84 = 333.29/x
  3. Step 3: Cross multiply
    1,155.04x = 1,732.84 × 333.29
  4. Step 4: Simplify right side
    1,155.04x = 577,541.74
  5. Step 5: Solve for x
    x = 577,541.74/1,155.04
  6. Step 6: Final answer
    x = 500.02

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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.