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Finding the Fourth Proportional to 590,484.82, 815,261.22 and 454,278.46

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Solution

The fourth proportional to 590,484.82, 815,261.22 and 454,278.46 is: 627,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,484.82 : 815,261.22 = 454,278.46 : x
  2. Step 2: Convert to fraction form
    590,484.82/815,261.22 = 454,278.46/x
  3. Step 3: Cross multiply
    590,484.82x = 815,261.22 × 454,278.46
  4. Step 4: Simplify right side
    590,484.82x = 370,355,611,519.32
  5. Step 5: Solve for x
    x = 370,355,611,519.32/590,484.82
  6. Step 6: Final answer
    x = 627,205.98

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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.