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Finding the Fourth Proportional to 333,701.92, 500,548.71 and 80,984.50

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Solution

The fourth proportional to 333,701.92, 500,548.71 and 80,984.50 is: 121,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,701.92 : 500,548.71 = 80,984.50 : x
  2. Step 2: Convert to fraction form
    333,701.92/500,548.71 = 80,984.50/x
  3. Step 3: Cross multiply
    333,701.92x = 500,548.71 × 80,984.50
  4. Step 4: Simplify right side
    333,701.92x = 40,536,687,005.00
  5. Step 5: Solve for x
    x = 40,536,687,005.00/333,701.92
  6. Step 6: Final answer
    x = 121,475.74

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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.