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Finding the Fourth Proportional to 358,011.92, 494,048.38 and 194,664.88

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Solution

The fourth proportional to 358,011.92, 494,048.38 and 194,664.88 is: 268,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,011.92 : 494,048.38 = 194,664.88 : x
  2. Step 2: Convert to fraction form
    358,011.92/494,048.38 = 194,664.88/x
  3. Step 3: Cross multiply
    358,011.92x = 494,048.38 × 194,664.88
  4. Step 4: Simplify right side
    358,011.92x = 96,173,868,606.89
  5. Step 5: Solve for x
    x = 96,173,868,606.89/358,011.92
  6. Step 6: Final answer
    x = 268,633.15

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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.