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Finding the Fourth Proportional to 323,087.76, 484,316.64 and 154,564.08

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Solution

The fourth proportional to 323,087.76, 484,316.64 and 154,564.08 is: 231,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,087.76 : 484,316.64 = 154,564.08 : x
  2. Step 2: Convert to fraction form
    323,087.76/484,316.64 = 154,564.08/x
  3. Step 3: Cross multiply
    323,087.76x = 484,316.64 × 154,564.08
  4. Step 4: Simplify right side
    323,087.76x = 74,857,955,890.29
  5. Step 5: Solve for x
    x = 74,857,955,890.29/323,087.76
  6. Step 6: Final answer
    x = 231,695.43

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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.