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Finding the Fourth Proportional to 275,475.96, 413,212.73 and 97,989.57

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Solution

The fourth proportional to 275,475.96, 413,212.73 and 97,989.57 is: 146,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,475.96 : 413,212.73 = 97,989.57 : x
  2. Step 2: Convert to fraction form
    275,475.96/413,212.73 = 97,989.57/x
  3. Step 3: Cross multiply
    275,475.96x = 413,212.73 × 97,989.57
  4. Step 4: Simplify right side
    275,475.96x = 40,490,537,241.28
  5. Step 5: Solve for x
    x = 40,490,537,241.28/275,475.96
  6. Step 6: Final answer
    x = 146,983.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.