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Finding the Fourth Proportional to 1,027.39, 1,417.63 and 585.27

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Solution

The fourth proportional to 1,027.39, 1,417.63 and 585.27 is: 807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.39 : 1,417.63 = 585.27 : x
  2. Step 2: Convert to fraction form
    1,027.39/1,417.63 = 585.27/x
  3. Step 3: Cross multiply
    1,027.39x = 1,417.63 × 585.27
  4. Step 4: Simplify right side
    1,027.39x = 829,696.31
  5. Step 5: Solve for x
    x = 829,696.31/1,027.39
  6. Step 6: Final answer
    x = 807.58

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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.