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Finding the Fourth Proportional to 411,679.46, 568,466.39 and 258,766.89

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Solution

The fourth proportional to 411,679.46, 568,466.39 and 258,766.89 is: 357,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,679.46 : 568,466.39 = 258,766.89 : x
  2. Step 2: Convert to fraction form
    411,679.46/568,466.39 = 258,766.89/x
  3. Step 3: Cross multiply
    411,679.46x = 568,466.39 × 258,766.89
  4. Step 4: Simplify right side
    411,679.46x = 147,100,282,567.37
  5. Step 5: Solve for x
    x = 147,100,282,567.37/411,679.46
  6. Step 6: Final answer
    x = 357,317.52

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1.5x scale

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.