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Finding the Fourth Proportional to 1,058.88, 1,461.26 and 593.13

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Solution

The fourth proportional to 1,058.88, 1,461.26 and 593.13 is: 818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.88 : 1,461.26 = 593.13 : x
  2. Step 2: Convert to fraction form
    1,058.88/1,461.26 = 593.13/x
  3. Step 3: Cross multiply
    1,058.88x = 1,461.26 × 593.13
  4. Step 4: Simplify right side
    1,058.88x = 866,717.14
  5. Step 5: Solve for x
    x = 866,717.14/1,058.88
  6. Step 6: Final answer
    x = 818.52

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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.