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Finding the Fourth Proportional to 326,316.33, 450,775.32 and 251,822.25

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Solution

The fourth proportional to 326,316.33, 450,775.32 and 251,822.25 is: 347,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,316.33 : 450,775.32 = 251,822.25 : x
  2. Step 2: Convert to fraction form
    326,316.33/450,775.32 = 251,822.25/x
  3. Step 3: Cross multiply
    326,316.33x = 450,775.32 × 251,822.25
  4. Step 4: Simplify right side
    326,316.33x = 113,515,251,813.88
  5. Step 5: Solve for x
    x = 113,515,251,813.88/326,316.33
  6. Step 6: Final answer
    x = 347,868.75

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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.