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Finding the Fourth Proportional to 302,813.46, 454,273.47 and 125,220.96

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Solution

The fourth proportional to 302,813.46, 454,273.47 and 125,220.96 is: 187,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,813.46 : 454,273.47 = 125,220.96 : x
  2. Step 2: Convert to fraction form
    302,813.46/454,273.47 = 125,220.96/x
  3. Step 3: Cross multiply
    302,813.46x = 454,273.47 × 125,220.96
  4. Step 4: Simplify right side
    302,813.46x = 56,884,560,015.93
  5. Step 5: Solve for x
    x = 56,884,560,015.93/302,813.46
  6. Step 6: Final answer
    x = 187,853.47

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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.