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Finding the Fourth Proportional to 504,560.42, 696,289.62 and 275,121.64

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Solution

The fourth proportional to 504,560.42, 696,289.62 and 275,121.64 is: 379,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,560.42 : 696,289.62 = 275,121.64 : x
  2. Step 2: Convert to fraction form
    504,560.42/696,289.62 = 275,121.64/x
  3. Step 3: Cross multiply
    504,560.42x = 696,289.62 × 275,121.64
  4. Step 4: Simplify right side
    504,560.42x = 191,564,342,169.38
  5. Step 5: Solve for x
    x = 191,564,342,169.38/504,560.42
  6. Step 6: Final answer
    x = 379,665.81

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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.