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Finding the Fourth Proportional to 504,500.15, 696,200.80 and 275,059.42

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Solution

The fourth proportional to 504,500.15, 696,200.80 and 275,059.42 is: 379,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,500.15 : 696,200.80 = 275,059.42 : x
  2. Step 2: Convert to fraction form
    504,500.15/696,200.80 = 275,059.42/x
  3. Step 3: Cross multiply
    504,500.15x = 696,200.80 × 275,059.42
  4. Step 4: Simplify right side
    504,500.15x = 191,496,588,251.54
  5. Step 5: Solve for x
    x = 191,496,588,251.54/504,500.15
  6. Step 6: Final answer
    x = 379,576.87

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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.