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Finding the Fourth Proportional to 527,462.82, 789,882.03 and 368,949.06

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Solution

The fourth proportional to 527,462.82, 789,882.03 and 368,949.06 is: 552,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,462.82 : 789,882.03 = 368,949.06 : x
  2. Step 2: Convert to fraction form
    527,462.82/789,882.03 = 368,949.06/x
  3. Step 3: Cross multiply
    527,462.82x = 789,882.03 × 368,949.06
  4. Step 4: Simplify right side
    527,462.82x = 291,426,232,479.39
  5. Step 5: Solve for x
    x = 291,426,232,479.39/527,462.82
  6. Step 6: Final answer
    x = 552,505.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.