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Finding the Fourth Proportional to 425,668.82, 586,812.39 and 334,866.96

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Solution

The fourth proportional to 425,668.82, 586,812.39 and 334,866.96 is: 461,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,668.82 : 586,812.39 = 334,866.96 : x
  2. Step 2: Convert to fraction form
    425,668.82/586,812.39 = 334,866.96/x
  3. Step 3: Cross multiply
    425,668.82x = 586,812.39 × 334,866.96
  4. Step 4: Simplify right side
    425,668.82x = 196,504,081,129.63
  5. Step 5: Solve for x
    x = 196,504,081,129.63/425,668.82
  6. Step 6: Final answer
    x = 461,636.08

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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.