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Finding the Fourth Proportional to 358,230.48, 494,358.10 and 197,082.08

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Solution

The fourth proportional to 358,230.48, 494,358.10 and 197,082.08 is: 271,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,230.48 : 494,358.10 = 197,082.08 : x
  2. Step 2: Convert to fraction form
    358,230.48/494,358.10 = 197,082.08/x
  3. Step 3: Cross multiply
    358,230.48x = 494,358.10 × 197,082.08
  4. Step 4: Simplify right side
    358,230.48x = 97,429,122,612.85
  5. Step 5: Solve for x
    x = 97,429,122,612.85/358,230.48
  6. Step 6: Final answer
    x = 271,973.29

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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.