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Finding the Fourth Proportional to 1,133.80, 1,697.05 and 585.23

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Solution

The fourth proportional to 1,133.80, 1,697.05 and 585.23 is: 875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.80 : 1,697.05 = 585.23 : x
  2. Step 2: Convert to fraction form
    1,133.80/1,697.05 = 585.23/x
  3. Step 3: Cross multiply
    1,133.80x = 1,697.05 × 585.23
  4. Step 4: Simplify right side
    1,133.80x = 993,161.65
  5. Step 5: Solve for x
    x = 993,161.65/1,133.80
  6. Step 6: Final answer
    x = 875.96

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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.