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Finding the Fourth Proportional to 294,574.44, 441,878.04 and 84,217.80

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Solution

The fourth proportional to 294,574.44, 441,878.04 and 84,217.80 is: 126,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,574.44 : 441,878.04 = 84,217.80 : x
  2. Step 2: Convert to fraction form
    294,574.44/441,878.04 = 84,217.80/x
  3. Step 3: Cross multiply
    294,574.44x = 441,878.04 × 84,217.80
  4. Step 4: Simplify right side
    294,574.44x = 37,213,996,397.11
  5. Step 5: Solve for x
    x = 37,213,996,397.11/294,574.44
  6. Step 6: Final answer
    x = 126,331.38

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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.