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Finding the Fourth Proportional to 634,355.58, 875,435.94 and 347,885.94

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Solution

The fourth proportional to 634,355.58, 875,435.94 and 347,885.94 is: 480,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,355.58 : 875,435.94 = 347,885.94 : x
  2. Step 2: Convert to fraction form
    634,355.58/875,435.94 = 347,885.94/x
  3. Step 3: Cross multiply
    634,355.58x = 875,435.94 × 347,885.94
  4. Step 4: Simplify right side
    634,355.58x = 304,551,854,896.68
  5. Step 5: Solve for x
    x = 304,551,854,896.68/634,355.58
  6. Step 6: Final answer
    x = 480,096.44

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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.