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Finding the Fourth Proportional to 1,057.37, 1,459.04 and 585.23

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Solution

The fourth proportional to 1,057.37, 1,459.04 and 585.23 is: 807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.37 : 1,459.04 = 585.23 : x
  2. Step 2: Convert to fraction form
    1,057.37/1,459.04 = 585.23/x
  3. Step 3: Cross multiply
    1,057.37x = 1,459.04 × 585.23
  4. Step 4: Simplify right side
    1,057.37x = 853,863.76
  5. Step 5: Solve for x
    x = 853,863.76/1,057.37
  6. Step 6: Final answer
    x = 807.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.