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Finding the Fourth Proportional to 376,538.80, 564,804.60 and 92,230.60

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Solution

The fourth proportional to 376,538.80, 564,804.60 and 92,230.60 is: 138,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,538.80 : 564,804.60 = 92,230.60 : x
  2. Step 2: Convert to fraction form
    376,538.80/564,804.60 = 92,230.60/x
  3. Step 3: Cross multiply
    376,538.80x = 564,804.60 × 92,230.60
  4. Step 4: Simplify right side
    376,538.80x = 52,092,267,140.76
  5. Step 5: Solve for x
    x = 52,092,267,140.76/376,538.80
  6. Step 6: Final answer
    x = 138,345.02

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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.