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Finding the Fourth Proportional to 326,153, 450,091.96 and 190,280.36

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Solution

The fourth proportional to 326,153, 450,091.96 and 190,280.36 is: 262,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,153 : 450,091.96 = 190,280.36 : x
  2. Step 2: Convert to fraction form
    326,153/450,091.96 = 190,280.36/x
  3. Step 3: Cross multiply
    326,153x = 450,091.96 × 190,280.36
  4. Step 4: Simplify right side
    326,153x = 85,643,660,181.91
  5. Step 5: Solve for x
    x = 85,643,660,181.91/326,153
  6. Step 6: Final answer
    x = 262,587.38

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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.