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Finding the Fourth Proportional to 1,174.79, 1,760.00 and 589.10

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Solution

The fourth proportional to 1,174.79, 1,760.00 and 589.10 is: 882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.79 : 1,760.00 = 589.10 : x
  2. Step 2: Convert to fraction form
    1,174.79/1,760.00 = 589.10/x
  3. Step 3: Cross multiply
    1,174.79x = 1,760.00 × 589.10
  4. Step 4: Simplify right side
    1,174.79x = 1,036,821.87
  5. Step 5: Solve for x
    x = 1,036,821.87/1,174.79
  6. Step 6: Final answer
    x = 882.56

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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.