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Finding the Fourth Proportional to 555,415.64, 832,951.18 and 200,383.52

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Solution

The fourth proportional to 555,415.64, 832,951.18 and 200,383.52 is: 300,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,415.64 : 832,951.18 = 200,383.52 : x
  2. Step 2: Convert to fraction form
    555,415.64/832,951.18 = 200,383.52/x
  3. Step 3: Cross multiply
    555,415.64x = 832,951.18 × 200,383.52
  4. Step 4: Simplify right side
    555,415.64x = 166,909,689,436.55
  5. Step 5: Solve for x
    x = 166,909,689,436.55/555,415.64
  6. Step 6: Final answer
    x = 300,513.12

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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.