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Finding the Fourth Proportional to 326,154, 450,093.34 and 190,281.36

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Solution

The fourth proportional to 326,154, 450,093.34 and 190,281.36 is: 262,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,154 : 450,093.34 = 190,281.36 : x
  2. Step 2: Convert to fraction form
    326,154/450,093.34 = 190,281.36/x
  3. Step 3: Cross multiply
    326,154x = 450,093.34 × 190,281.36
  4. Step 4: Simplify right side
    326,154x = 85,644,372,862.14
  5. Step 5: Solve for x
    x = 85,644,372,862.14/326,154
  6. Step 6: Final answer
    x = 262,588.76

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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.