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Finding the Fourth Proportional to 476,342.79, 714,732.48 and 206,553.66

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Solution

The fourth proportional to 476,342.79, 714,732.48 and 206,553.66 is: 309,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,342.79 : 714,732.48 = 206,553.66 : x
  2. Step 2: Convert to fraction form
    476,342.79/714,732.48 = 206,553.66/x
  3. Step 3: Cross multiply
    476,342.79x = 714,732.48 × 206,553.66
  4. Step 4: Simplify right side
    476,342.79x = 147,630,609,664.88
  5. Step 5: Solve for x
    x = 147,630,609,664.88/476,342.79
  6. Step 6: Final answer
    x = 309,925.15

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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.