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Finding the Fourth Proportional to 331,032.96, 456,745.86 and 195,072.48

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Solution

The fourth proportional to 331,032.96, 456,745.86 and 195,072.48 is: 269,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,032.96 : 456,745.86 = 195,072.48 : x
  2. Step 2: Convert to fraction form
    331,032.96/456,745.86 = 195,072.48/x
  3. Step 3: Cross multiply
    331,032.96x = 456,745.86 × 195,072.48
  4. Step 4: Simplify right side
    331,032.96x = 89,098,547,639.93
  5. Step 5: Solve for x
    x = 89,098,547,639.93/331,032.96
  6. Step 6: Final answer
    x = 269,153.10

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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.