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Finding the Fourth Proportional to 252,527.63, 378,790.93 and 147,272.78

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Solution

The fourth proportional to 252,527.63, 378,790.93 and 147,272.78 is: 220,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,527.63 : 378,790.93 = 147,272.78 : x
  2. Step 2: Convert to fraction form
    252,527.63/378,790.93 = 147,272.78/x
  3. Step 3: Cross multiply
    252,527.63x = 378,790.93 × 147,272.78
  4. Step 4: Simplify right side
    252,527.63x = 55,785,594,430.95
  5. Step 5: Solve for x
    x = 55,785,594,430.95/252,527.63
  6. Step 6: Final answer
    x = 220,908.88

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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.