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Finding the Fourth Proportional to 358,205.81, 494,304.49 and 197,034.84

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Solution

The fourth proportional to 358,205.81, 494,304.49 and 197,034.84 is: 271,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,205.81 : 494,304.49 = 197,034.84 : x
  2. Step 2: Convert to fraction form
    358,205.81/494,304.49 = 197,034.84/x
  3. Step 3: Cross multiply
    358,205.81x = 494,304.49 × 197,034.84
  4. Step 4: Simplify right side
    358,205.81x = 97,395,206,098.43
  5. Step 5: Solve for x
    x = 97,395,206,098.43/358,205.81
  6. Step 6: Final answer
    x = 271,897.34

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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.