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Finding the Fourth Proportional to 573,291.88, 859,935.12 and 146,826.88

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Solution

The fourth proportional to 573,291.88, 859,935.12 and 146,826.88 is: 220,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,291.88 : 859,935.12 = 146,826.88 : x
  2. Step 2: Convert to fraction form
    573,291.88/859,935.12 = 146,826.88/x
  3. Step 3: Cross multiply
    573,291.88x = 859,935.12 × 146,826.88
  4. Step 4: Simplify right side
    573,291.88x = 126,261,590,672.03
  5. Step 5: Solve for x
    x = 126,261,590,672.03/573,291.88
  6. Step 6: Final answer
    x = 220,239.63

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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.