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Finding the Fourth Proportional to 219,673.52, 329,510.28 and 79,399.34

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Solution

The fourth proportional to 219,673.52, 329,510.28 and 79,399.34 is: 119,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,673.52 : 329,510.28 = 79,399.34 : x
  2. Step 2: Convert to fraction form
    219,673.52/329,510.28 = 79,399.34/x
  3. Step 3: Cross multiply
    219,673.52x = 329,510.28 × 79,399.34
  4. Step 4: Simplify right side
    219,673.52x = 26,162,898,194.45
  5. Step 5: Solve for x
    x = 26,162,898,194.45/219,673.52
  6. Step 6: Final answer
    x = 119,099.01

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1.5x scale

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.