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Finding the Fourth Proportional to 555,402.62, 832,931.71 and 200,370.51

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Solution

The fourth proportional to 555,402.62, 832,931.71 and 200,370.51 is: 300,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,402.62 : 832,931.71 = 200,370.51 : x
  2. Step 2: Convert to fraction form
    555,402.62/832,931.71 = 200,370.51/x
  3. Step 3: Cross multiply
    555,402.62x = 832,931.71 × 200,370.51
  4. Step 4: Simplify right side
    555,402.62x = 166,894,951,026.95
  5. Step 5: Solve for x
    x = 166,894,951,026.95/555,402.62
  6. Step 6: Final answer
    x = 300,493.63

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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.