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Finding the Fourth Proportional to 634,490, 951,690.44 and 297,604.56

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Solution

The fourth proportional to 634,490, 951,690.44 and 297,604.56 is: 446,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,490 : 951,690.44 = 297,604.56 : x
  2. Step 2: Convert to fraction form
    634,490/951,690.44 = 297,604.56/x
  3. Step 3: Cross multiply
    634,490x = 951,690.44 × 297,604.56
  4. Step 4: Simplify right side
    634,490x = 283,227,414,652.41
  5. Step 5: Solve for x
    x = 283,227,414,652.41/634,490
  6. Step 6: Final answer
    x = 446,385.94

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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.