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Finding the Fourth Proportional to 300,855.04, 451,295.04 and 248,166.40

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Solution

The fourth proportional to 300,855.04, 451,295.04 and 248,166.40 is: 372,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,855.04 : 451,295.04 = 248,166.40 : x
  2. Step 2: Convert to fraction form
    300,855.04/451,295.04 = 248,166.40/x
  3. Step 3: Cross multiply
    300,855.04x = 451,295.04 × 248,166.40
  4. Step 4: Simplify right side
    300,855.04x = 111,996,265,414.66
  5. Step 5: Solve for x
    x = 111,996,265,414.66/300,855.04
  6. Step 6: Final answer
    x = 372,259.89

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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.