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Finding the Fourth Proportional to 555,406.28, 832,937.19 and 200,374.17

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Solution

The fourth proportional to 555,406.28, 832,937.19 and 200,374.17 is: 300,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,406.28 : 832,937.19 = 200,374.17 : x
  2. Step 2: Convert to fraction form
    555,406.28/832,937.19 = 200,374.17/x
  3. Step 3: Cross multiply
    555,406.28x = 832,937.19 × 200,374.17
  4. Step 4: Simplify right side
    555,406.28x = 166,899,095,360.57
  5. Step 5: Solve for x
    x = 166,899,095,360.57/555,406.28
  6. Step 6: Final answer
    x = 300,499.12

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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.