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Finding the Fourth Proportional to 326,295.86, 450,187.34 and 190,233.53

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Solution

The fourth proportional to 326,295.86, 450,187.34 and 190,233.53 is: 262,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,295.86 : 450,187.34 = 190,233.53 : x
  2. Step 2: Convert to fraction form
    326,295.86/450,187.34 = 190,233.53/x
  3. Step 3: Cross multiply
    326,295.86x = 450,187.34 × 190,233.53
  4. Step 4: Simplify right side
    326,295.86x = 85,640,726,849.51
  5. Step 5: Solve for x
    x = 85,640,726,849.51/326,295.86
  6. Step 6: Final answer
    x = 262,463.42

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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.