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Finding the Fourth Proportional to 557,547.62, 836,195.29 and 257,863.68

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Solution

The fourth proportional to 557,547.62, 836,195.29 and 257,863.68 is: 386,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,547.62 : 836,195.29 = 257,863.68 : x
  2. Step 2: Convert to fraction form
    557,547.62/836,195.29 = 257,863.68/x
  3. Step 3: Cross multiply
    557,547.62x = 836,195.29 × 257,863.68
  4. Step 4: Simplify right side
    557,547.62x = 215,624,394,033.41
  5. Step 5: Solve for x
    x = 215,624,394,033.41/557,547.62
  6. Step 6: Final answer
    x = 386,737.18

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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.