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Finding the Fourth Proportional to 589.67, 883.66 and 404.40

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Solution

The fourth proportional to 589.67, 883.66 and 404.40 is: 606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.67 : 883.66 = 404.40 : x
  2. Step 2: Convert to fraction form
    589.67/883.66 = 404.40/x
  3. Step 3: Cross multiply
    589.67x = 883.66 × 404.40
  4. Step 4: Simplify right side
    589.67x = 357,352.10
  5. Step 5: Solve for x
    x = 357,352.10/589.67
  6. Step 6: Final answer
    x = 606.02

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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.