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Finding the Fourth Proportional to 400,844.46, 601,322.04 and 134,681.10

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Solution

The fourth proportional to 400,844.46, 601,322.04 and 134,681.10 is: 202,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,844.46 : 601,322.04 = 134,681.10 : x
  2. Step 2: Convert to fraction form
    400,844.46/601,322.04 = 134,681.10/x
  3. Step 3: Cross multiply
    400,844.46x = 601,322.04 × 134,681.10
  4. Step 4: Simplify right side
    400,844.46x = 80,986,713,801.44
  5. Step 5: Solve for x
    x = 80,986,713,801.44/400,844.46
  6. Step 6: Final answer
    x = 202,040.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.