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Finding the Fourth Proportional to 322,938.69, 484,441.07 and 123,427.01

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Solution

The fourth proportional to 322,938.69, 484,441.07 and 123,427.01 is: 185,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,938.69 : 484,441.07 = 123,427.01 : x
  2. Step 2: Convert to fraction form
    322,938.69/484,441.07 = 123,427.01/x
  3. Step 3: Cross multiply
    322,938.69x = 484,441.07 × 123,427.01
  4. Step 4: Simplify right side
    322,938.69x = 59,793,109,751.96
  5. Step 5: Solve for x
    x = 59,793,109,751.96/322,938.69
  6. Step 6: Final answer
    x = 185,153.13

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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.