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Finding the Fourth Proportional to 354,333.57, 531,807.44 and 185,972.82

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Solution

The fourth proportional to 354,333.57, 531,807.44 and 185,972.82 is: 279,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,333.57 : 531,807.44 = 185,972.82 : x
  2. Step 2: Convert to fraction form
    354,333.57/531,807.44 = 185,972.82/x
  3. Step 3: Cross multiply
    354,333.57x = 531,807.44 × 185,972.82
  4. Step 4: Simplify right side
    354,333.57x = 98,901,728,383.92
  5. Step 5: Solve for x
    x = 98,901,728,383.92/354,333.57
  6. Step 6: Final answer
    x = 279,120.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.