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Finding the Fourth Proportional to 294,806.30, 442,209.42 and 73,190.30

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Solution

The fourth proportional to 294,806.30, 442,209.42 and 73,190.30 is: 109,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,806.30 : 442,209.42 = 73,190.30 : x
  2. Step 2: Convert to fraction form
    294,806.30/442,209.42 = 73,190.30/x
  3. Step 3: Cross multiply
    294,806.30x = 442,209.42 × 73,190.30
  4. Step 4: Simplify right side
    294,806.30x = 32,365,440,112.63
  5. Step 5: Solve for x
    x = 32,365,440,112.63/294,806.30
  6. Step 6: Final answer
    x = 109,785.44

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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.