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Finding the Fourth Proportional to 634,605.84, 951,997.86 and 185,359.68

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Solution

The fourth proportional to 634,605.84, 951,997.86 and 185,359.68 is: 278,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,605.84 : 951,997.86 = 185,359.68 : x
  2. Step 2: Convert to fraction form
    634,605.84/951,997.86 = 185,359.68/x
  3. Step 3: Cross multiply
    634,605.84x = 951,997.86 × 185,359.68
  4. Step 4: Simplify right side
    634,605.84x = 176,462,018,690.29
  5. Step 5: Solve for x
    x = 176,462,018,690.29/634,605.84
  6. Step 6: Final answer
    x = 278,065.54

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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.