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Finding the Fourth Proportional to 634,258.90, 950,854.83 and 297,121.78

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Solution

The fourth proportional to 634,258.90, 950,854.83 and 297,121.78 is: 445,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,258.90 : 950,854.83 = 297,121.78 : x
  2. Step 2: Convert to fraction form
    634,258.90/950,854.83 = 297,121.78/x
  3. Step 3: Cross multiply
    634,258.90x = 950,854.83 × 297,121.78
  4. Step 4: Simplify right side
    634,258.90x = 282,519,679,611.20
  5. Step 5: Solve for x
    x = 282,519,679,611.20/634,258.90
  6. Step 6: Final answer
    x = 445,432.74

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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.