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Finding the Fourth Proportional to 572,639.92, 858,817.94 and 193,552.22

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Solution

The fourth proportional to 572,639.92, 858,817.94 and 193,552.22 is: 290,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,639.92 : 858,817.94 = 193,552.22 : x
  2. Step 2: Convert to fraction form
    572,639.92/858,817.94 = 193,552.22/x
  3. Step 3: Cross multiply
    572,639.92x = 858,817.94 × 193,552.22
  4. Step 4: Simplify right side
    572,639.92x = 166,226,120,042.11
  5. Step 5: Solve for x
    x = 166,226,120,042.11/572,639.92
  6. Step 6: Final answer
    x = 290,280.36

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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.