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Finding the Fourth Proportional to 683,445.08, 943,150.46 and 377,542.52

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Solution

The fourth proportional to 683,445.08, 943,150.46 and 377,542.52 is: 521,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,445.08 : 943,150.46 = 377,542.52 : x
  2. Step 2: Convert to fraction form
    683,445.08/943,150.46 = 377,542.52/x
  3. Step 3: Cross multiply
    683,445.08x = 943,150.46 × 377,542.52
  4. Step 4: Simplify right side
    683,445.08x = 356,079,401,407.56
  5. Step 5: Solve for x
    x = 356,079,401,407.56/683,445.08
  6. Step 6: Final answer
    x = 521,006.61

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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.