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Finding the Fourth Proportional to 288,022.80, 432,034.20 and 182,960.40

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Solution

The fourth proportional to 288,022.80, 432,034.20 and 182,960.40 is: 274,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,022.80 : 432,034.20 = 182,960.40 : x
  2. Step 2: Convert to fraction form
    288,022.80/432,034.20 = 182,960.40/x
  3. Step 3: Cross multiply
    288,022.80x = 432,034.20 × 182,960.40
  4. Step 4: Simplify right side
    288,022.80x = 79,045,150,045.68
  5. Step 5: Solve for x
    x = 79,045,150,045.68/288,022.80
  6. Step 6: Final answer
    x = 274,440.60

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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.