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Finding the Fourth Proportional to 351,085.50, 484,510.46 and 198,160.92

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Solution

The fourth proportional to 351,085.50, 484,510.46 and 198,160.92 is: 273,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,085.50 : 484,510.46 = 198,160.92 : x
  2. Step 2: Convert to fraction form
    351,085.50/484,510.46 = 198,160.92/x
  3. Step 3: Cross multiply
    351,085.50x = 484,510.46 × 198,160.92
  4. Step 4: Simplify right side
    351,085.50x = 96,011,037,512.42
  5. Step 5: Solve for x
    x = 96,011,037,512.42/351,085.50
  6. Step 6: Final answer
    x = 273,469.11

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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.