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Finding the Fourth Proportional to 587,774.06, 810,377.30 and 380,676.54

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Solution

The fourth proportional to 587,774.06, 810,377.30 and 380,676.54 is: 524,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,774.06 : 810,377.30 = 380,676.54 : x
  2. Step 2: Convert to fraction form
    587,774.06/810,377.30 = 380,676.54/x
  3. Step 3: Cross multiply
    587,774.06x = 810,377.30 × 380,676.54
  4. Step 4: Simplify right side
    587,774.06x = 308,491,626,658.54
  5. Step 5: Solve for x
    x = 308,491,626,658.54/587,774.06
  6. Step 6: Final answer
    x = 524,847.30

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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.