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Finding the Fourth Proportional to 554,871.98, 765,641.22 and 336,967.34

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Solution

The fourth proportional to 554,871.98, 765,641.22 and 336,967.34 is: 464,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,871.98 : 765,641.22 = 336,967.34 : x
  2. Step 2: Convert to fraction form
    554,871.98/765,641.22 = 336,967.34/x
  3. Step 3: Cross multiply
    554,871.98x = 765,641.22 × 336,967.34
  4. Step 4: Simplify right side
    554,871.98x = 257,996,081,469.55
  5. Step 5: Solve for x
    x = 257,996,081,469.55/554,871.98
  6. Step 6: Final answer
    x = 464,965.06

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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.