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Finding the Fourth Proportional to 219,250.56, 328,976.28 and 119,260.92

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Solution

The fourth proportional to 219,250.56, 328,976.28 and 119,260.92 is: 178,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,250.56 : 328,976.28 = 119,260.92 : x
  2. Step 2: Convert to fraction form
    219,250.56/328,976.28 = 119,260.92/x
  3. Step 3: Cross multiply
    219,250.56x = 328,976.28 × 119,260.92
  4. Step 4: Simplify right side
    219,250.56x = 39,234,013,810.98
  5. Step 5: Solve for x
    x = 39,234,013,810.98/219,250.56
  6. Step 6: Final answer
    x = 178,946.01

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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.