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Finding the Fourth Proportional to 608,636.48, 839,969.88 and 336,770.48

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Solution

The fourth proportional to 608,636.48, 839,969.88 and 336,770.48 is: 464,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,636.48 : 839,969.88 = 336,770.48 : x
  2. Step 2: Convert to fraction form
    608,636.48/839,969.88 = 336,770.48/x
  3. Step 3: Cross multiply
    608,636.48x = 839,969.88 × 336,770.48
  4. Step 4: Simplify right side
    608,636.48x = 282,877,059,673.14
  5. Step 5: Solve for x
    x = 282,877,059,673.14/608,636.48
  6. Step 6: Final answer
    x = 464,771.78

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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.