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Finding the Fourth Proportional to 587,846.29, 811,234.69 and 326,206.97

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Solution

The fourth proportional to 587,846.29, 811,234.69 and 326,206.97 is: 450,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,846.29 : 811,234.69 = 326,206.97 : x
  2. Step 2: Convert to fraction form
    587,846.29/811,234.69 = 326,206.97/x
  3. Step 3: Cross multiply
    587,846.29x = 811,234.69 × 326,206.97
  4. Step 4: Simplify right side
    587,846.29x = 264,630,409,577.51
  5. Step 5: Solve for x
    x = 264,630,409,577.51/587,846.29
  6. Step 6: Final answer
    x = 450,169.40

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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.