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Finding the Fourth Proportional to 322,925.40, 484,388.36 and 154,406.08

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Solution

The fourth proportional to 322,925.40, 484,388.36 and 154,406.08 is: 231,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,925.40 : 484,388.36 = 154,406.08 : x
  2. Step 2: Convert to fraction form
    322,925.40/484,388.36 = 154,406.08/x
  3. Step 3: Cross multiply
    322,925.40x = 484,388.36 × 154,406.08
  4. Step 4: Simplify right side
    322,925.40x = 74,792,507,865.23
  5. Step 5: Solve for x
    x = 74,792,507,865.23/322,925.40
  6. Step 6: Final answer
    x = 231,609.24

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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.