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Finding the Fourth Proportional to 504,393.76, 696,112.48 and 376,847.92

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Solution

The fourth proportional to 504,393.76, 696,112.48 and 376,847.92 is: 520,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,393.76 : 696,112.48 = 376,847.92 : x
  2. Step 2: Convert to fraction form
    504,393.76/696,112.48 = 376,847.92/x
  3. Step 3: Cross multiply
    504,393.76x = 696,112.48 × 376,847.92
  4. Step 4: Simplify right side
    504,393.76x = 262,328,540,174.04
  5. Step 5: Solve for x
    x = 262,328,540,174.04/504,393.76
  6. Step 6: Final answer
    x = 520,086.81

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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.