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Finding the Fourth Proportional to 573,019.83, 858,995.34 and 193,676.65

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Solution

The fourth proportional to 573,019.83, 858,995.34 and 193,676.65 is: 290,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,019.83 : 858,995.34 = 193,676.65 : x
  2. Step 2: Convert to fraction form
    573,019.83/858,995.34 = 193,676.65/x
  3. Step 3: Cross multiply
    573,019.83x = 858,995.34 × 193,676.65
  4. Step 4: Simplify right side
    573,019.83x = 166,367,341,253.70
  5. Step 5: Solve for x
    x = 166,367,341,253.70/573,019.83
  6. Step 6: Final answer
    x = 290,334.35

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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.