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Finding the Fourth Proportional to 504,496.92, 696,201.16 and 278,142.44

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Solution

The fourth proportional to 504,496.92, 696,201.16 and 278,142.44 is: 383,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,496.92 : 696,201.16 = 278,142.44 : x
  2. Step 2: Convert to fraction form
    504,496.92/696,201.16 = 278,142.44/x
  3. Step 3: Cross multiply
    504,496.92x = 696,201.16 × 278,142.44
  4. Step 4: Simplify right side
    504,496.92x = 193,643,089,373.23
  5. Step 5: Solve for x
    x = 193,643,089,373.23/504,496.92
  6. Step 6: Final answer
    x = 383,834.04

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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.