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Finding the Fourth Proportional to 573,048.52, 859,601.32 and 218,090.04

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Solution

The fourth proportional to 573,048.52, 859,601.32 and 218,090.04 is: 327,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,048.52 : 859,601.32 = 218,090.04 : x
  2. Step 2: Convert to fraction form
    573,048.52/859,601.32 = 218,090.04/x
  3. Step 3: Cross multiply
    573,048.52x = 859,601.32 × 218,090.04
  4. Step 4: Simplify right side
    573,048.52x = 187,470,486,262.85
  5. Step 5: Solve for x
    x = 187,470,486,262.85/573,048.52
  6. Step 6: Final answer
    x = 327,145.92

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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.