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Finding the Fourth Proportional to 454,125.80, 626,693.50 and 252,921.80

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Solution

The fourth proportional to 454,125.80, 626,693.50 and 252,921.80 is: 349,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,125.80 : 626,693.50 = 252,921.80 : x
  2. Step 2: Convert to fraction form
    454,125.80/626,693.50 = 252,921.80/x
  3. Step 3: Cross multiply
    454,125.80x = 626,693.50 × 252,921.80
  4. Step 4: Simplify right side
    454,125.80x = 158,504,448,068.30
  5. Step 5: Solve for x
    x = 158,504,448,068.30/454,125.80
  6. Step 6: Final answer
    x = 349,032.03

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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.