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Finding the Fourth Proportional to 262,007.46, 393,087.74 and 84,510.54

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Solution

The fourth proportional to 262,007.46, 393,087.74 and 84,510.54 is: 126,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,007.46 : 393,087.74 = 84,510.54 : x
  2. Step 2: Convert to fraction form
    262,007.46/393,087.74 = 84,510.54/x
  3. Step 3: Cross multiply
    262,007.46x = 393,087.74 × 84,510.54
  4. Step 4: Simplify right side
    262,007.46x = 33,220,056,752.23
  5. Step 5: Solve for x
    x = 33,220,056,752.23/262,007.46
  6. Step 6: Final answer
    x = 126,790.50

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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.