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Finding the Fourth Proportional to 551,099.23, 826,903.08 and 251,671.59

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Solution

The fourth proportional to 551,099.23, 826,903.08 and 251,671.59 is: 377,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,099.23 : 826,903.08 = 251,671.59 : x
  2. Step 2: Convert to fraction form
    551,099.23/826,903.08 = 251,671.59/x
  3. Step 3: Cross multiply
    551,099.23x = 826,903.08 × 251,671.59
  4. Step 4: Simplify right side
    551,099.23x = 208,108,012,919.50
  5. Step 5: Solve for x
    x = 208,108,012,919.50/551,099.23
  6. Step 6: Final answer
    x = 377,623.49

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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.