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Finding the Fourth Proportional to 337,431.92, 505,982.64 and 112,715.24

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Solution

The fourth proportional to 337,431.92, 505,982.64 and 112,715.24 is: 169,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,431.92 : 505,982.64 = 112,715.24 : x
  2. Step 2: Convert to fraction form
    337,431.92/505,982.64 = 112,715.24/x
  3. Step 3: Cross multiply
    337,431.92x = 505,982.64 × 112,715.24
  4. Step 4: Simplify right side
    337,431.92x = 57,031,954,703.43
  5. Step 5: Solve for x
    x = 57,031,954,703.43/337,431.92
  6. Step 6: Final answer
    x = 169,017.66

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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.