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Finding the Fourth Proportional to 358,235.38, 494,349.24 and 197,080.21

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Solution

The fourth proportional to 358,235.38, 494,349.24 and 197,080.21 is: 271,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,235.38 : 494,349.24 = 197,080.21 : x
  2. Step 2: Convert to fraction form
    358,235.38/494,349.24 = 197,080.21/x
  3. Step 3: Cross multiply
    358,235.38x = 494,349.24 × 197,080.21
  4. Step 4: Simplify right side
    358,235.38x = 97,426,452,032.54
  5. Step 5: Solve for x
    x = 97,426,452,032.54/358,235.38
  6. Step 6: Final answer
    x = 271,962.12

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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.