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Finding the Fourth Proportional to 326,202.96, 450,216.72 and 190,316.28

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Solution

The fourth proportional to 326,202.96, 450,216.72 and 190,316.28 is: 262,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,202.96 : 450,216.72 = 190,316.28 : x
  2. Step 2: Convert to fraction form
    326,202.96/450,216.72 = 190,316.28/x
  3. Step 3: Cross multiply
    326,202.96x = 450,216.72 × 190,316.28
  4. Step 4: Simplify right side
    326,202.96x = 85,683,571,344.20
  5. Step 5: Solve for x
    x = 85,683,571,344.20/326,202.96
  6. Step 6: Final answer
    x = 262,669.51

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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.