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Finding the Fourth Proportional to 573,169.46, 858,939.44 and 422,222.72

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Solution

The fourth proportional to 573,169.46, 858,939.44 and 422,222.72 is: 632,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,169.46 : 858,939.44 = 422,222.72 : x
  2. Step 2: Convert to fraction form
    573,169.46/858,939.44 = 422,222.72/x
  3. Step 3: Cross multiply
    573,169.46x = 858,939.44 × 422,222.72
  4. Step 4: Simplify right side
    573,169.46x = 362,663,746,672.08
  5. Step 5: Solve for x
    x = 362,663,746,672.08/573,169.46
  6. Step 6: Final answer
    x = 632,733.90

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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.