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Finding the Fourth Proportional to 539,361.40, 808,473.36 and 179,436.11

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Solution

The fourth proportional to 539,361.40, 808,473.36 and 179,436.11 is: 268,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,361.40 : 808,473.36 = 179,436.11 : x
  2. Step 2: Convert to fraction form
    539,361.40/808,473.36 = 179,436.11/x
  3. Step 3: Cross multiply
    539,361.40x = 808,473.36 × 179,436.11
  4. Step 4: Simplify right side
    539,361.40x = 145,069,314,757.03
  5. Step 5: Solve for x
    x = 145,069,314,757.03/539,361.40
  6. Step 6: Final answer
    x = 268,964.96

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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.