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Finding the Fourth Proportional to 573,087.60, 859,631.40 and 440,227.35

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Solution

The fourth proportional to 573,087.60, 859,631.40 and 440,227.35 is: 660,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,087.60 : 859,631.40 = 440,227.35 : x
  2. Step 2: Convert to fraction form
    573,087.60/859,631.40 = 440,227.35/x
  3. Step 3: Cross multiply
    573,087.60x = 859,631.40 × 440,227.35
  4. Step 4: Simplify right side
    573,087.60x = 378,433,253,198.79
  5. Step 5: Solve for x
    x = 378,433,253,198.79/573,087.60
  6. Step 6: Final answer
    x = 660,341.03

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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.