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Finding the Fourth Proportional to 441.18, 607.91 and 424.98

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Solution

The fourth proportional to 441.18, 607.91 and 424.98 is: 585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.18 : 607.91 = 424.98 : x
  2. Step 2: Convert to fraction form
    441.18/607.91 = 424.98/x
  3. Step 3: Cross multiply
    441.18x = 607.91 × 424.98
  4. Step 4: Simplify right side
    441.18x = 258,347.47
  5. Step 5: Solve for x
    x = 258,347.47/441.18
  6. Step 6: Final answer
    x = 585.58

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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.