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Finding the Fourth Proportional to 504,427.91, 696,100.23 and 278,073.41

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Solution

The fourth proportional to 504,427.91, 696,100.23 and 278,073.41 is: 383,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,427.91 : 696,100.23 = 278,073.41 : x
  2. Step 2: Convert to fraction form
    504,427.91/696,100.23 = 278,073.41/x
  3. Step 3: Cross multiply
    504,427.91x = 696,100.23 × 278,073.41
  4. Step 4: Simplify right side
    504,427.91x = 193,566,961,177.38
  5. Step 5: Solve for x
    x = 193,566,961,177.38/504,427.91
  6. Step 6: Final answer
    x = 383,735.63

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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.