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Finding the Fourth Proportional to 294,120.40, 441,715.20 and 176,022.40

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Solution

The fourth proportional to 294,120.40, 441,715.20 and 176,022.40 is: 264,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,120.40 : 441,715.20 = 176,022.40 : x
  2. Step 2: Convert to fraction form
    294,120.40/441,715.20 = 176,022.40/x
  3. Step 3: Cross multiply
    294,120.40x = 441,715.20 × 176,022.40
  4. Step 4: Simplify right side
    294,120.40x = 77,751,769,620.48
  5. Step 5: Solve for x
    x = 77,751,769,620.48/294,120.40
  6. Step 6: Final answer
    x = 264,353.54

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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.