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Finding the Fourth Proportional to 557,568.82, 836,227.14 and 257,884.96

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Solution

The fourth proportional to 557,568.82, 836,227.14 and 257,884.96 is: 386,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,568.82 : 836,227.14 = 257,884.96 : x
  2. Step 2: Convert to fraction form
    557,568.82/836,227.14 = 257,884.96/x
  3. Step 3: Cross multiply
    557,568.82x = 836,227.14 × 257,884.96
  4. Step 4: Simplify right side
    557,568.82x = 215,650,402,549.81
  5. Step 5: Solve for x
    x = 215,650,402,549.81/557,568.82
  6. Step 6: Final answer
    x = 386,769.12

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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.