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Finding the Fourth Proportional to 573,237.81, 859,978.97 and 194,145.28

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Solution

The fourth proportional to 573,237.81, 859,978.97 and 194,145.28 is: 291,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,237.81 : 859,978.97 = 194,145.28 : x
  2. Step 2: Convert to fraction form
    573,237.81/859,978.97 = 194,145.28/x
  3. Step 3: Cross multiply
    573,237.81x = 859,978.97 × 194,145.28
  4. Step 4: Simplify right side
    573,237.81x = 166,960,856,954.04
  5. Step 5: Solve for x
    x = 166,960,856,954.04/573,237.81
  6. Step 6: Final answer
    x = 291,259.32

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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.