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Finding the Fourth Proportional to 476,594.46, 657,699.48 and 261,736.38

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Solution

The fourth proportional to 476,594.46, 657,699.48 and 261,736.38 is: 361,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,594.46 : 657,699.48 = 261,736.38 : x
  2. Step 2: Convert to fraction form
    476,594.46/657,699.48 = 261,736.38/x
  3. Step 3: Cross multiply
    476,594.46x = 657,699.48 × 261,736.38
  4. Step 4: Simplify right side
    476,594.46x = 172,143,881,023.08
  5. Step 5: Solve for x
    x = 172,143,881,023.08/476,594.46
  6. Step 6: Final answer
    x = 361,195.72

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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.