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Finding the Fourth Proportional to 294,004.80, 441,007.20 and 252,014.40

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Solution

The fourth proportional to 294,004.80, 441,007.20 and 252,014.40 is: 378,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,004.80 : 441,007.20 = 252,014.40 : x
  2. Step 2: Convert to fraction form
    294,004.80/441,007.20 = 252,014.40/x
  3. Step 3: Cross multiply
    294,004.80x = 441,007.20 × 252,014.40
  4. Step 4: Simplify right side
    294,004.80x = 111,140,164,903.68
  5. Step 5: Solve for x
    x = 111,140,164,903.68/294,004.80
  6. Step 6: Final answer
    x = 378,021.60

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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.