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Finding the Fourth Proportional to 580,650.39, 801,276.89 and 326,012.31

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Solution

The fourth proportional to 580,650.39, 801,276.89 and 326,012.31 is: 449,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,650.39 : 801,276.89 = 326,012.31 : x
  2. Step 2: Convert to fraction form
    580,650.39/801,276.89 = 326,012.31/x
  3. Step 3: Cross multiply
    580,650.39x = 801,276.89 × 326,012.31
  4. Step 4: Simplify right side
    580,650.39x = 261,226,128,228.45
  5. Step 5: Solve for x
    x = 261,226,128,228.45/580,650.39
  6. Step 6: Final answer
    x = 449,885.39

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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.