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Finding the Fourth Proportional to 608,208.90, 839,294.37 and 336,260.94

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Solution

The fourth proportional to 608,208.90, 839,294.37 and 336,260.94 is: 464,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,208.90 : 839,294.37 = 336,260.94 : x
  2. Step 2: Convert to fraction form
    608,208.90/839,294.37 = 336,260.94/x
  3. Step 3: Cross multiply
    608,208.90x = 839,294.37 × 336,260.94
  4. Step 4: Simplify right side
    608,208.90x = 282,221,913,792.91
  5. Step 5: Solve for x
    x = 282,221,913,792.91/608,208.90
  6. Step 6: Final answer
    x = 464,021.35

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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.