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Finding the Fourth Proportional to 1,133.18, 1,700.36 and 556.06

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Solution

The fourth proportional to 1,133.18, 1,700.36 and 556.06 is: 834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.18 : 1,700.36 = 556.06 : x
  2. Step 2: Convert to fraction form
    1,133.18/1,700.36 = 556.06/x
  3. Step 3: Cross multiply
    1,133.18x = 1,700.36 × 556.06
  4. Step 4: Simplify right side
    1,133.18x = 945,495.15
  5. Step 5: Solve for x
    x = 945,495.15/1,133.18
  6. Step 6: Final answer
    x = 834.37

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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.