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Finding the Fourth Proportional to 636,699.46, 954,827.60 and 237,122.20

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Solution

The fourth proportional to 636,699.46, 954,827.60 and 237,122.20 is: 355,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,699.46 : 954,827.60 = 237,122.20 : x
  2. Step 2: Convert to fraction form
    636,699.46/954,827.60 = 237,122.20/x
  3. Step 3: Cross multiply
    636,699.46x = 954,827.60 × 237,122.20
  4. Step 4: Simplify right side
    636,699.46x = 226,410,821,132.72
  5. Step 5: Solve for x
    x = 226,410,821,132.72/636,699.46
  6. Step 6: Final answer
    x = 355,600.77

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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.