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Finding the Fourth Proportional to 336,136.28, 463,957.62 and 198,436.28

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Solution

The fourth proportional to 336,136.28, 463,957.62 and 198,436.28 is: 273,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,136.28 : 463,957.62 = 198,436.28 : x
  2. Step 2: Convert to fraction form
    336,136.28/463,957.62 = 198,436.28/x
  3. Step 3: Cross multiply
    336,136.28x = 463,957.62 × 198,436.28
  4. Step 4: Simplify right side
    336,136.28x = 92,066,024,190.45
  5. Step 5: Solve for x
    x = 92,066,024,190.45/336,136.28
  6. Step 6: Final answer
    x = 273,894.93

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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.