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Finding the Fourth Proportional to 454,099.78, 626,677.14 and 252,895.78

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Solution

The fourth proportional to 454,099.78, 626,677.14 and 252,895.78 is: 349,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,099.78 : 626,677.14 = 252,895.78 : x
  2. Step 2: Convert to fraction form
    454,099.78/626,677.14 = 252,895.78/x
  3. Step 3: Cross multiply
    454,099.78x = 626,677.14 × 252,895.78
  4. Step 4: Simplify right side
    454,099.78x = 158,484,004,128.47
  5. Step 5: Solve for x
    x = 158,484,004,128.47/454,099.78
  6. Step 6: Final answer
    x = 349,007.00

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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.