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Finding the Fourth Proportional to 411,840.64, 568,335.73 and 230,554.06

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Solution

The fourth proportional to 411,840.64, 568,335.73 and 230,554.06 is: 318,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,840.64 : 568,335.73 = 230,554.06 : x
  2. Step 2: Convert to fraction form
    411,840.64/568,335.73 = 230,554.06/x
  3. Step 3: Cross multiply
    411,840.64x = 568,335.73 × 230,554.06
  4. Step 4: Simplify right side
    411,840.64x = 131,032,109,994.56
  5. Step 5: Solve for x
    x = 131,032,109,994.56/411,840.64
  6. Step 6: Final answer
    x = 318,162.17

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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.