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Finding the Fourth Proportional to 608,214.90, 839,302.64 and 336,266.94

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Solution

The fourth proportional to 608,214.90, 839,302.64 and 336,266.94 is: 464,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,214.90 : 839,302.64 = 336,266.94 : x
  2. Step 2: Convert to fraction form
    608,214.90/839,302.64 = 336,266.94/x
  3. Step 3: Cross multiply
    608,214.90x = 839,302.64 × 336,266.94
  4. Step 4: Simplify right side
    608,214.90x = 282,229,730,486.72
  5. Step 5: Solve for x
    x = 282,229,730,486.72/608,214.90
  6. Step 6: Final answer
    x = 464,029.62

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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.