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Finding the Fourth Proportional to 326,317.33, 450,776.70 and 251,823.25

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Solution

The fourth proportional to 326,317.33, 450,776.70 and 251,823.25 is: 347,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,317.33 : 450,776.70 = 251,823.25 : x
  2. Step 2: Convert to fraction form
    326,317.33/450,776.70 = 251,823.25/x
  3. Step 3: Cross multiply
    326,317.33x = 450,776.70 × 251,823.25
  4. Step 4: Simplify right side
    326,317.33x = 113,516,053,618.28
  5. Step 5: Solve for x
    x = 113,516,053,618.28/326,317.33
  6. Step 6: Final answer
    x = 347,870.13

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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.