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Finding the Fourth Proportional to 634,950.51, 876,203.60 and 348,471.15

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Solution

The fourth proportional to 634,950.51, 876,203.60 and 348,471.15 is: 480,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,950.51 : 876,203.60 = 348,471.15 : x
  2. Step 2: Convert to fraction form
    634,950.51/876,203.60 = 348,471.15/x
  3. Step 3: Cross multiply
    634,950.51x = 876,203.60 × 348,471.15
  4. Step 4: Simplify right side
    634,950.51x = 305,331,674,383.78
  5. Step 5: Solve for x
    x = 305,331,674,383.78/634,950.51
  6. Step 6: Final answer
    x = 480,874.76

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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.