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Finding the Fourth Proportional to 636,698.46, 954,719.07 and 187,360.98

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Solution

The fourth proportional to 636,698.46, 954,719.07 and 187,360.98 is: 280,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,698.46 : 954,719.07 = 187,360.98 : x
  2. Step 2: Convert to fraction form
    636,698.46/954,719.07 = 187,360.98/x
  3. Step 3: Cross multiply
    636,698.46x = 954,719.07 × 187,360.98
  4. Step 4: Simplify right side
    636,698.46x = 178,877,100,579.89
  5. Step 5: Solve for x
    x = 178,877,100,579.89/636,698.46
  6. Step 6: Final answer
    x = 280,944.77

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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.