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Finding the Fourth Proportional to 573,059.21, 859,692.56 and 188,828.55

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Solution

The fourth proportional to 573,059.21, 859,692.56 and 188,828.55 is: 283,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,059.21 : 859,692.56 = 188,828.55 : x
  2. Step 2: Convert to fraction form
    573,059.21/859,692.56 = 188,828.55/x
  3. Step 3: Cross multiply
    573,059.21x = 859,692.56 × 188,828.55
  4. Step 4: Simplify right side
    573,059.21x = 162,334,498,606.45
  5. Step 5: Solve for x
    x = 162,334,498,606.45/573,059.21
  6. Step 6: Final answer
    x = 283,277.01

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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.