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Finding the Fourth Proportional to 567,676.92, 783,365.34 and 322,655.22

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Solution

The fourth proportional to 567,676.92, 783,365.34 and 322,655.22 is: 445,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,676.92 : 783,365.34 = 322,655.22 : x
  2. Step 2: Convert to fraction form
    567,676.92/783,365.34 = 322,655.22/x
  3. Step 3: Cross multiply
    567,676.92x = 783,365.34 × 322,655.22
  4. Step 4: Simplify right side
    567,676.92x = 252,756,916,118.08
  5. Step 5: Solve for x
    x = 252,756,916,118.08/567,676.92
  6. Step 6: Final answer
    x = 445,247.83

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Double scale
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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.