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Finding the Fourth Proportional to 634,429.82, 951,343.41 and 368,271.92

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Solution

The fourth proportional to 634,429.82, 951,343.41 and 368,271.92 is: 552,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,429.82 : 951,343.41 = 368,271.92 : x
  2. Step 2: Convert to fraction form
    634,429.82/951,343.41 = 368,271.92/x
  3. Step 3: Cross multiply
    634,429.82x = 951,343.41 × 368,271.92
  4. Step 4: Simplify right side
    634,429.82x = 350,353,064,180.05
  5. Step 5: Solve for x
    x = 350,353,064,180.05/634,429.82
  6. Step 6: Final answer
    x = 552,232.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.