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Finding the Fourth Proportional to 221,698.17, 332,240.67 and 192,042.45

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Solution

The fourth proportional to 221,698.17, 332,240.67 and 192,042.45 is: 287,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,698.17 : 332,240.67 = 192,042.45 : x
  2. Step 2: Convert to fraction form
    221,698.17/332,240.67 = 192,042.45/x
  3. Step 3: Cross multiply
    221,698.17x = 332,240.67 × 192,042.45
  4. Step 4: Simplify right side
    221,698.17x = 63,804,312,256.44
  5. Step 5: Solve for x
    x = 63,804,312,256.44/221,698.17
  6. Step 6: Final answer
    x = 287,798.10

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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.