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Finding the Fourth Proportional to 937.48, 1,405.26 and 590.68

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Solution

The fourth proportional to 937.48, 1,405.26 and 590.68 is: 885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.48 : 1,405.26 = 590.68 : x
  2. Step 2: Convert to fraction form
    937.48/1,405.26 = 590.68/x
  3. Step 3: Cross multiply
    937.48x = 1,405.26 × 590.68
  4. Step 4: Simplify right side
    937.48x = 830,058.98
  5. Step 5: Solve for x
    x = 830,058.98/937.48
  6. Step 6: Final answer
    x = 885.42

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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.