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Finding the Fourth Proportional to 705.04, 1,058.27 and 497.27

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Solution

The fourth proportional to 705.04, 1,058.27 and 497.27 is: 746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.04 : 1,058.27 = 497.27 : x
  2. Step 2: Convert to fraction form
    705.04/1,058.27 = 497.27/x
  3. Step 3: Cross multiply
    705.04x = 1,058.27 × 497.27
  4. Step 4: Simplify right side
    705.04x = 526,246.08
  5. Step 5: Solve for x
    x = 526,246.08/705.04
  6. Step 6: Final answer
    x = 746.41

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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.