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Finding the Fourth Proportional to 636,627.45, 955,092.90 and 187,362.98

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Solution

The fourth proportional to 636,627.45, 955,092.90 and 187,362.98 is: 281,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,627.45 : 955,092.90 = 187,362.98 : x
  2. Step 2: Convert to fraction form
    636,627.45/955,092.90 = 187,362.98/x
  3. Step 3: Cross multiply
    636,627.45x = 955,092.90 × 187,362.98
  4. Step 4: Simplify right side
    636,627.45x = 178,949,051,429.59
  5. Step 5: Solve for x
    x = 178,949,051,429.59/636,627.45
  6. Step 6: Final answer
    x = 281,089.12

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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.