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Finding the Fourth Proportional to 1,133.76, 1,700.52 and 403.32

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Solution

The fourth proportional to 1,133.76, 1,700.52 and 403.32 is: 604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.76 : 1,700.52 = 403.32 : x
  2. Step 2: Convert to fraction form
    1,133.76/1,700.52 = 403.32/x
  3. Step 3: Cross multiply
    1,133.76x = 1,700.52 × 403.32
  4. Step 4: Simplify right side
    1,133.76x = 685,853.73
  5. Step 5: Solve for x
    x = 685,853.73/1,133.76
  6. Step 6: Final answer
    x = 604.94

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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.