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Finding the Fourth Proportional to 294,510.20, 406,426.02 and 167,187.92

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Solution

The fourth proportional to 294,510.20, 406,426.02 and 167,187.92 is: 230,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,510.20 : 406,426.02 = 167,187.92 : x
  2. Step 2: Convert to fraction form
    294,510.20/406,426.02 = 167,187.92/x
  3. Step 3: Cross multiply
    294,510.20x = 406,426.02 × 167,187.92
  4. Step 4: Simplify right side
    294,510.20x = 67,949,520,917.68
  5. Step 5: Solve for x
    x = 67,949,520,917.68/294,510.20
  6. Step 6: Final answer
    x = 230,720.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.