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Finding the Fourth Proportional to 454,291, 626,934.54 and 253,099.96

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Solution

The fourth proportional to 454,291, 626,934.54 and 253,099.96 is: 349,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,291 : 626,934.54 = 253,099.96 : x
  2. Step 2: Convert to fraction form
    454,291/626,934.54 = 253,099.96/x
  3. Step 3: Cross multiply
    454,291x = 626,934.54 × 253,099.96
  4. Step 4: Simplify right side
    454,291x = 158,677,106,996.62
  5. Step 5: Solve for x
    x = 158,677,106,996.62/454,291
  6. Step 6: Final answer
    x = 349,285.17

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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.