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Finding the Fourth Proportional to 454,086, 626,658.12 and 252,882

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Solution

The fourth proportional to 454,086, 626,658.12 and 252,882 is: 348,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,086 : 626,658.12 = 252,882 : x
  2. Step 2: Convert to fraction form
    454,086/626,658.12 = 252,882/x
  3. Step 3: Cross multiply
    454,086x = 626,658.12 × 252,882
  4. Step 4: Simplify right side
    454,086x = 158,470,558,701.84
  5. Step 5: Solve for x
    x = 158,470,558,701.84/454,086
  6. Step 6: Final answer
    x = 348,987.99

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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.