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Finding the Fourth Proportional to 454,093.58, 626,602.00 and 279,636.05

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Solution

The fourth proportional to 454,093.58, 626,602.00 and 279,636.05 is: 385,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,093.58 : 626,602.00 = 279,636.05 : x
  2. Step 2: Convert to fraction form
    454,093.58/626,602.00 = 279,636.05/x
  3. Step 3: Cross multiply
    454,093.58x = 626,602.00 × 279,636.05
  4. Step 4: Simplify right side
    454,093.58x = 175,220,507,503.01
  5. Step 5: Solve for x
    x = 175,220,507,503.01/454,093.58
  6. Step 6: Final answer
    x = 385,868.72

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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.