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Finding the Fourth Proportional to 1,133.31, 1,700.09 and 555.75

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Solution

The fourth proportional to 1,133.31, 1,700.09 and 555.75 is: 833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.31 : 1,700.09 = 555.75 : x
  2. Step 2: Convert to fraction form
    1,133.31/1,700.09 = 555.75/x
  3. Step 3: Cross multiply
    1,133.31x = 1,700.09 × 555.75
  4. Step 4: Simplify right side
    1,133.31x = 944,822.24
  5. Step 5: Solve for x
    x = 944,822.24/1,133.31
  6. Step 6: Final answer
    x = 833.68

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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.