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Finding the Fourth Proportional to 582.51, 873.76 and 404.26

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Solution

The fourth proportional to 582.51, 873.76 and 404.26 is: 606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.51 : 873.76 = 404.26 : x
  2. Step 2: Convert to fraction form
    582.51/873.76 = 404.26/x
  3. Step 3: Cross multiply
    582.51x = 873.76 × 404.26
  4. Step 4: Simplify right side
    582.51x = 353,226.22
  5. Step 5: Solve for x
    x = 353,226.22/582.51
  6. Step 6: Final answer
    x = 606.39

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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.