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Finding the Fourth Proportional to 377,773.32, 521,328.42 and 205,693.32

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Solution

The fourth proportional to 377,773.32, 521,328.42 and 205,693.32 is: 283,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,773.32 : 521,328.42 = 205,693.32 : x
  2. Step 2: Convert to fraction form
    377,773.32/521,328.42 = 205,693.32/x
  3. Step 3: Cross multiply
    377,773.32x = 521,328.42 × 205,693.32
  4. Step 4: Simplify right side
    377,773.32x = 107,233,773,520.15
  5. Step 5: Solve for x
    x = 107,233,773,520.15/377,773.32
  6. Step 6: Final answer
    x = 283,857.46

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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.