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Finding the Fourth Proportional to 573,042.51, 859,592.31 and 218,084.04

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Solution

The fourth proportional to 573,042.51, 859,592.31 and 218,084.04 is: 327,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,042.51 : 859,592.31 = 218,084.04 : x
  2. Step 2: Convert to fraction form
    573,042.51/859,592.31 = 218,084.04/x
  3. Step 3: Cross multiply
    573,042.51x = 859,592.31 × 218,084.04
  4. Step 4: Simplify right side
    573,042.51x = 187,463,362,015.72
  5. Step 5: Solve for x
    x = 187,463,362,015.72/573,042.51
  6. Step 6: Final answer
    x = 327,136.92

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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.