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Finding the Fourth Proportional to 587,676.56, 811,010.76 and 333,019.28

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Solution

The fourth proportional to 587,676.56, 811,010.76 and 333,019.28 is: 459,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,676.56 : 811,010.76 = 333,019.28 : x
  2. Step 2: Convert to fraction form
    587,676.56/811,010.76 = 333,019.28/x
  3. Step 3: Cross multiply
    587,676.56x = 811,010.76 × 333,019.28
  4. Step 4: Simplify right side
    587,676.56x = 270,082,219,367.45
  5. Step 5: Solve for x
    x = 270,082,219,367.45/587,676.56
  6. Step 6: Final answer
    x = 459,576.30

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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.