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Finding the Fourth Proportional to 469,559.55, 647,992.17 and 265,606.11

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Solution

The fourth proportional to 469,559.55, 647,992.17 and 265,606.11 is: 366,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,559.55 : 647,992.17 = 265,606.11 : x
  2. Step 2: Convert to fraction form
    469,559.55/647,992.17 = 265,606.11/x
  3. Step 3: Cross multiply
    469,559.55x = 647,992.17 × 265,606.11
  4. Step 4: Simplify right side
    469,559.55x = 172,110,679,584.16
  5. Step 5: Solve for x
    x = 172,110,679,584.16/469,559.55
  6. Step 6: Final answer
    x = 366,536.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.