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Finding the Fourth Proportional to 504,523.13, 696,247.35 and 275,078.54

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Solution

The fourth proportional to 504,523.13, 696,247.35 and 275,078.54 is: 379,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,523.13 : 696,247.35 = 275,078.54 : x
  2. Step 2: Convert to fraction form
    504,523.13/696,247.35 = 275,078.54/x
  3. Step 3: Cross multiply
    504,523.13x = 696,247.35 × 275,078.54
  4. Step 4: Simplify right side
    504,523.13x = 191,522,706,773.26
  5. Step 5: Solve for x
    x = 191,522,706,773.26/504,523.13
  6. Step 6: Final answer
    x = 379,611.35

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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.