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Finding the Fourth Proportional to 554,869.07, 765,637.22 and 336,964.43

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Solution

The fourth proportional to 554,869.07, 765,637.22 and 336,964.43 is: 464,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,869.07 : 765,637.22 = 336,964.43 : x
  2. Step 2: Convert to fraction form
    554,869.07/765,637.22 = 336,964.43/x
  3. Step 3: Cross multiply
    554,869.07x = 765,637.22 × 336,964.43
  4. Step 4: Simplify right side
    554,869.07x = 257,992,506,438.31
  5. Step 5: Solve for x
    x = 257,992,506,438.31/554,869.07
  6. Step 6: Final answer
    x = 464,961.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.