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Finding the Fourth Proportional to 454,875.95, 682,304.60 and 202,087.91

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Solution

The fourth proportional to 454,875.95, 682,304.60 and 202,087.91 is: 303,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,875.95 : 682,304.60 = 202,087.91 : x
  2. Step 2: Convert to fraction form
    454,875.95/682,304.60 = 202,087.91/x
  3. Step 3: Cross multiply
    454,875.95x = 682,304.60 × 202,087.91
  4. Step 4: Simplify right side
    454,875.95x = 137,885,512,808.37
  5. Step 5: Solve for x
    x = 137,885,512,808.37/454,875.95
  6. Step 6: Final answer
    x = 303,127.73

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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.