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Finding the Fourth Proportional to 554,872.98, 765,642.60 and 336,968.34

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Solution

The fourth proportional to 554,872.98, 765,642.60 and 336,968.34 is: 464,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,872.98 : 765,642.60 = 336,968.34 : x
  2. Step 2: Convert to fraction form
    554,872.98/765,642.60 = 336,968.34/x
  3. Step 3: Cross multiply
    554,872.98x = 765,642.60 × 336,968.34
  4. Step 4: Simplify right side
    554,872.98x = 257,997,315,955.28
  5. Step 5: Solve for x
    x = 257,997,315,955.28/554,872.98
  6. Step 6: Final answer
    x = 464,966.44

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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.