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Finding the Fourth Proportional to 1,133.94, 1,700.25 and 353.73

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Solution

The fourth proportional to 1,133.94, 1,700.25 and 353.73 is: 530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.94 : 1,700.25 = 353.73 : x
  2. Step 2: Convert to fraction form
    1,133.94/1,700.25 = 353.73/x
  3. Step 3: Cross multiply
    1,133.94x = 1,700.25 × 353.73
  4. Step 4: Simplify right side
    1,133.94x = 601,429.43
  5. Step 5: Solve for x
    x = 601,429.43/1,133.94
  6. Step 6: Final answer
    x = 530.39

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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.