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Finding the Fourth Proportional to 555,278.68, 832,717.14 and 200,197.36

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Solution

The fourth proportional to 555,278.68, 832,717.14 and 200,197.36 is: 300,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,278.68 : 832,717.14 = 200,197.36 : x
  2. Step 2: Convert to fraction form
    555,278.68/832,717.14 = 200,197.36/x
  3. Step 3: Cross multiply
    555,278.68x = 832,717.14 × 200,197.36
  4. Step 4: Simplify right side
    555,278.68x = 166,707,773,054.75
  5. Step 5: Solve for x
    x = 166,707,773,054.75/555,278.68
  6. Step 6: Final answer
    x = 300,223.62

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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.