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Finding the Fourth Proportional to 361,970.94, 499,510.36 and 198,626.95

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Solution

The fourth proportional to 361,970.94, 499,510.36 and 198,626.95 is: 274,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,970.94 : 499,510.36 = 198,626.95 : x
  2. Step 2: Convert to fraction form
    361,970.94/499,510.36 = 198,626.95/x
  3. Step 3: Cross multiply
    361,970.94x = 499,510.36 × 198,626.95
  4. Step 4: Simplify right side
    361,970.94x = 99,216,220,172.87
  5. Step 5: Solve for x
    x = 99,216,220,172.87/361,970.94
  6. Step 6: Final answer
    x = 274,099.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.