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Finding the Fourth Proportional to 1,064.57, 1,598.36 and 603.25

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Solution

The fourth proportional to 1,064.57, 1,598.36 and 603.25 is: 905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.57 : 1,598.36 = 603.25 : x
  2. Step 2: Convert to fraction form
    1,064.57/1,598.36 = 603.25/x
  3. Step 3: Cross multiply
    1,064.57x = 1,598.36 × 603.25
  4. Step 4: Simplify right side
    1,064.57x = 964,207.65
  5. Step 5: Solve for x
    x = 964,207.65/1,064.57
  6. Step 6: Final answer
    x = 905.73

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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.