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Finding the Fourth Proportional to 501,539.68, 692,122.62 and 275,180.32

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Solution

The fourth proportional to 501,539.68, 692,122.62 and 275,180.32 is: 379,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,539.68 : 692,122.62 = 275,180.32 : x
  2. Step 2: Convert to fraction form
    501,539.68/692,122.62 = 275,180.32/x
  3. Step 3: Cross multiply
    501,539.68x = 692,122.62 × 275,180.32
  4. Step 4: Simplify right side
    501,539.68x = 190,458,524,050.84
  5. Step 5: Solve for x
    x = 190,458,524,050.84/501,539.68
  6. Step 6: Final answer
    x = 379,747.67

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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.