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Finding the Fourth Proportional to 634,504.23, 875,600.82 and 348,021.81

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Solution

The fourth proportional to 634,504.23, 875,600.82 and 348,021.81 is: 480,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,504.23 : 875,600.82 = 348,021.81 : x
  2. Step 2: Convert to fraction form
    634,504.23/875,600.82 = 348,021.81/x
  3. Step 3: Cross multiply
    634,504.23x = 875,600.82 × 348,021.81
  4. Step 4: Simplify right side
    634,504.23x = 304,728,182,213.88
  5. Step 5: Solve for x
    x = 304,728,182,213.88/634,504.23
  6. Step 6: Final answer
    x = 480,261.86

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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.