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Finding the Fourth Proportional to 357,162.94, 492,884.46 and 196,018.40

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Solution

The fourth proportional to 357,162.94, 492,884.46 and 196,018.40 is: 270,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,162.94 : 492,884.46 = 196,018.40 : x
  2. Step 2: Convert to fraction form
    357,162.94/492,884.46 = 196,018.40/x
  3. Step 3: Cross multiply
    357,162.94x = 492,884.46 × 196,018.40
  4. Step 4: Simplify right side
    357,162.94x = 96,614,423,234.06
  5. Step 5: Solve for x
    x = 96,614,423,234.06/357,162.94
  6. Step 6: Final answer
    x = 270,505.17

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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.