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Finding the Fourth Proportional to 401,506.32, 554,125.01 and 240,361.32

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Solution

The fourth proportional to 401,506.32, 554,125.01 and 240,361.32 is: 331,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,506.32 : 554,125.01 = 240,361.32 : x
  2. Step 2: Convert to fraction form
    401,506.32/554,125.01 = 240,361.32/x
  3. Step 3: Cross multiply
    401,506.32x = 554,125.01 × 240,361.32
  4. Step 4: Simplify right side
    401,506.32x = 133,190,218,848.61
  5. Step 5: Solve for x
    x = 133,190,218,848.61/401,506.32
  6. Step 6: Final answer
    x = 331,726.33

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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.