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Finding the Fourth Proportional to 1,058.22, 1,587.33 and 598.91

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Solution

The fourth proportional to 1,058.22, 1,587.33 and 598.91 is: 898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.22 : 1,587.33 = 598.91 : x
  2. Step 2: Convert to fraction form
    1,058.22/1,587.33 = 598.91/x
  3. Step 3: Cross multiply
    1,058.22x = 1,587.33 × 598.91
  4. Step 4: Simplify right side
    1,058.22x = 950,659.87
  5. Step 5: Solve for x
    x = 950,659.87/1,058.22
  6. Step 6: Final answer
    x = 898.36

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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.