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Finding the Fourth Proportional to 612,308.62, 844,995.95 and 336,678.04

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Solution

The fourth proportional to 612,308.62, 844,995.95 and 336,678.04 is: 464,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,308.62 : 844,995.95 = 336,678.04 : x
  2. Step 2: Convert to fraction form
    612,308.62/844,995.95 = 336,678.04/x
  3. Step 3: Cross multiply
    612,308.62x = 844,995.95 × 336,678.04
  4. Step 4: Simplify right side
    612,308.62x = 284,491,580,253.94
  5. Step 5: Solve for x
    x = 284,491,580,253.94/612,308.62
  6. Step 6: Final answer
    x = 464,621.22

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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.