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Finding the Fourth Proportional to 634,850.64, 876,091.41 and 348,375.51

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Solution

The fourth proportional to 634,850.64, 876,091.41 and 348,375.51 is: 480,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,850.64 : 876,091.41 = 348,375.51 : x
  2. Step 2: Convert to fraction form
    634,850.64/876,091.41 = 348,375.51/x
  3. Step 3: Cross multiply
    634,850.64x = 876,091.41 × 348,375.51
  4. Step 4: Simplify right side
    634,850.64x = 305,208,791,765.37
  5. Step 5: Solve for x
    x = 305,208,791,765.37/634,850.64
  6. Step 6: Final answer
    x = 480,756.85

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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.