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Finding the Fourth Proportional to 468,193.72, 646,105.24 and 253,337.56

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Solution

The fourth proportional to 468,193.72, 646,105.24 and 253,337.56 is: 349,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,193.72 : 646,105.24 = 253,337.56 : x
  2. Step 2: Convert to fraction form
    468,193.72/646,105.24 = 253,337.56/x
  3. Step 3: Cross multiply
    468,193.72x = 646,105.24 × 253,337.56
  4. Step 4: Simplify right side
    468,193.72x = 163,682,725,004.81
  5. Step 5: Solve for x
    x = 163,682,725,004.81/468,193.72
  6. Step 6: Final answer
    x = 349,604.70

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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.