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Finding the Fourth Proportional to 576,325.69, 795,337.65 and 321,676.88

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Solution

The fourth proportional to 576,325.69, 795,337.65 and 321,676.88 is: 443,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,325.69 : 795,337.65 = 321,676.88 : x
  2. Step 2: Convert to fraction form
    576,325.69/795,337.65 = 321,676.88/x
  3. Step 3: Cross multiply
    576,325.69x = 795,337.65 × 321,676.88
  4. Step 4: Simplify right side
    576,325.69x = 255,841,729,821.84
  5. Step 5: Solve for x
    x = 255,841,729,821.84/576,325.69
  6. Step 6: Final answer
    x = 443,918.67

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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.