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Finding the Fourth Proportional to 1,133.59, 1,699.17 and 555.25

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Solution

The fourth proportional to 1,133.59, 1,699.17 and 555.25 is: 832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.59 : 1,699.17 = 555.25 : x
  2. Step 2: Convert to fraction form
    1,133.59/1,699.17 = 555.25/x
  3. Step 3: Cross multiply
    1,133.59x = 1,699.17 × 555.25
  4. Step 4: Simplify right side
    1,133.59x = 943,464.14
  5. Step 5: Solve for x
    x = 943,464.14/1,133.59
  6. Step 6: Final answer
    x = 832.28

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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.