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Finding the Fourth Proportional to 555,114.70, 832,161.75 and 200,041.90

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Solution

The fourth proportional to 555,114.70, 832,161.75 and 200,041.90 is: 299,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,114.70 : 832,161.75 = 200,041.90 : x
  2. Step 2: Convert to fraction form
    555,114.70/832,161.75 = 200,041.90/x
  3. Step 3: Cross multiply
    555,114.70x = 832,161.75 × 200,041.90
  4. Step 4: Simplify right side
    555,114.70x = 166,467,217,577.33
  5. Step 5: Solve for x
    x = 166,467,217,577.33/555,114.70
  6. Step 6: Final answer
    x = 299,878.96

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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.