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Finding the Fourth Proportional to 331,407.57, 457,342.29 and 180,504.57

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Solution

The fourth proportional to 331,407.57, 457,342.29 and 180,504.57 is: 249,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,407.57 : 457,342.29 = 180,504.57 : x
  2. Step 2: Convert to fraction form
    331,407.57/457,342.29 = 180,504.57/x
  3. Step 3: Cross multiply
    331,407.57x = 457,342.29 × 180,504.57
  4. Step 4: Simplify right side
    331,407.57x = 82,552,373,399.27
  5. Step 5: Solve for x
    x = 82,552,373,399.27/331,407.57
  6. Step 6: Final answer
    x = 249,096.22

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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.