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Finding the Fourth Proportional to 423,545,955.06, 584,507,610.49 and 235,382,179.03

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Solution

The fourth proportional to 423,545,955.06, 584,507,610.49 and 235,382,179.03 is: 324,835,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,545,955.06 : 584,507,610.49 = 235,382,179.03 : x
  2. Step 2: Convert to fraction form
    423,545,955.06/584,507,610.49 = 235,382,179.03/x
  3. Step 3: Cross multiply
    423,545,955.06x = 584,507,610.49 × 235,382,179.03
  4. Step 4: Simplify right side
    423,545,955.06x = 137,582,675,015,145,120
  5. Step 5: Solve for x
    x = 137,582,675,015,145,120/423,545,955.06
  6. Step 6: Final answer
    x = 324,835,294.43

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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.