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Finding the Fourth Proportional to 555,411.15, 832,944.43 and 200,379.01

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Solution

The fourth proportional to 555,411.15, 832,944.43 and 200,379.01 is: 300,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,411.15 : 832,944.43 = 200,379.01 : x
  2. Step 2: Convert to fraction form
    555,411.15/832,944.43 = 200,379.01/x
  3. Step 3: Cross multiply
    555,411.15x = 832,944.43 × 200,379.01
  4. Step 4: Simplify right side
    555,411.15x = 166,904,580,268.41
  5. Step 5: Solve for x
    x = 166,904,580,268.41/555,411.15
  6. Step 6: Final answer
    x = 300,506.36

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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.