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Finding the Fourth Proportional to 636,132.86, 954,051.60 and 186,733.04

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Solution

The fourth proportional to 636,132.86, 954,051.60 and 186,733.04 is: 280,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,132.86 : 954,051.60 = 186,733.04 : x
  2. Step 2: Convert to fraction form
    636,132.86/954,051.60 = 186,733.04/x
  3. Step 3: Cross multiply
    636,132.86x = 954,051.60 × 186,733.04
  4. Step 4: Simplify right side
    636,132.86x = 178,152,955,584.86
  5. Step 5: Solve for x
    x = 178,152,955,584.86/636,132.86
  6. Step 6: Final answer
    x = 280,056.21

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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.