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Finding the Fourth Proportional to 358,200.32, 494,300.85 and 197,045.15

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Solution

The fourth proportional to 358,200.32, 494,300.85 and 197,045.15 is: 271,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,200.32 : 494,300.85 = 197,045.15 : x
  2. Step 2: Convert to fraction form
    358,200.32/494,300.85 = 197,045.15/x
  3. Step 3: Cross multiply
    358,200.32x = 494,300.85 × 197,045.15
  4. Step 4: Simplify right side
    358,200.32x = 97,399,585,133.38
  5. Step 5: Solve for x
    x = 97,399,585,133.38/358,200.32
  6. Step 6: Final answer
    x = 271,913.73

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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.