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Finding the Fourth Proportional to 555,363.11, 832,872.27 and 200,330.93

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Solution

The fourth proportional to 555,363.11, 832,872.27 and 200,330.93 is: 300,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,363.11 : 832,872.27 = 200,330.93 : x
  2. Step 2: Convert to fraction form
    555,363.11/832,872.27 = 200,330.93/x
  3. Step 3: Cross multiply
    555,363.11x = 832,872.27 × 200,330.93
  4. Step 4: Simplify right side
    555,363.11x = 166,850,076,420.31
  5. Step 5: Solve for x
    x = 166,850,076,420.31/555,363.11
  6. Step 6: Final answer
    x = 300,434.21

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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.