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Finding the Fourth Proportional to 634,601, 951,807.98 and 208,181.82

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Solution

The fourth proportional to 634,601, 951,807.98 and 208,181.82 is: 312,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,601 : 951,807.98 = 208,181.82 : x
  2. Step 2: Convert to fraction form
    634,601/951,807.98 = 208,181.82/x
  3. Step 3: Cross multiply
    634,601x = 951,807.98 × 208,181.82
  4. Step 4: Simplify right side
    634,601x = 198,149,117,566.92
  5. Step 5: Solve for x
    x = 198,149,117,566.92/634,601
  6. Step 6: Final answer
    x = 312,242.05

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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.