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Finding the Fourth Proportional to 573,041.28, 859,956.78 and 199,064.28

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Solution

The fourth proportional to 573,041.28, 859,956.78 and 199,064.28 is: 298,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,041.28 : 859,956.78 = 199,064.28 : x
  2. Step 2: Convert to fraction form
    573,041.28/859,956.78 = 199,064.28/x
  3. Step 3: Cross multiply
    573,041.28x = 859,956.78 × 199,064.28
  4. Step 4: Simplify right side
    573,041.28x = 171,186,677,241.82
  5. Step 5: Solve for x
    x = 171,186,677,241.82/573,041.28
  6. Step 6: Final answer
    x = 298,733.59

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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.