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Finding the Fourth Proportional to 617,895.82, 926,885.86 and 197,203.42

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Solution

The fourth proportional to 617,895.82, 926,885.86 and 197,203.42 is: 295,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,895.82 : 926,885.86 = 197,203.42 : x
  2. Step 2: Convert to fraction form
    617,895.82/926,885.86 = 197,203.42/x
  3. Step 3: Cross multiply
    617,895.82x = 926,885.86 × 197,203.42
  4. Step 4: Simplify right side
    617,895.82x = 182,785,061,541.64
  5. Step 5: Solve for x
    x = 182,785,061,541.64/617,895.82
  6. Step 6: Final answer
    x = 295,818.58

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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.