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Finding the Fourth Proportional to 504,523.07, 696,247.27 and 275,078.48

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Solution

The fourth proportional to 504,523.07, 696,247.27 and 275,078.48 is: 379,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,523.07 : 696,247.27 = 275,078.48 : x
  2. Step 2: Convert to fraction form
    504,523.07/696,247.27 = 275,078.48/x
  3. Step 3: Cross multiply
    504,523.07x = 696,247.27 × 275,078.48
  4. Step 4: Simplify right side
    504,523.07x = 191,522,637,619.74
  5. Step 5: Solve for x
    x = 191,522,637,619.74/504,523.07
  6. Step 6: Final answer
    x = 379,611.26

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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.