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Finding the Fourth Proportional to 573,045.67, 859,672.27 and 188,815.05

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Solution

The fourth proportional to 573,045.67, 859,672.27 and 188,815.05 is: 283,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,045.67 : 859,672.27 = 188,815.05 : x
  2. Step 2: Convert to fraction form
    573,045.67/859,672.27 = 188,815.05/x
  3. Step 3: Cross multiply
    573,045.67x = 859,672.27 × 188,815.05
  4. Step 4: Simplify right side
    573,045.67x = 162,319,062,879.68
  5. Step 5: Solve for x
    x = 162,319,062,879.68/573,045.67
  6. Step 6: Final answer
    x = 283,256.76

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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.