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Finding the Fourth Proportional to 559,589.80, 839,441.40 and 180,412.60

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Solution

The fourth proportional to 559,589.80, 839,441.40 and 180,412.60 is: 270,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,589.80 : 839,441.40 = 180,412.60 : x
  2. Step 2: Convert to fraction form
    559,589.80/839,441.40 = 180,412.60/x
  3. Step 3: Cross multiply
    559,589.80x = 839,441.40 × 180,412.60
  4. Step 4: Simplify right side
    559,589.80x = 151,445,805,521.64
  5. Step 5: Solve for x
    x = 151,445,805,521.64/559,589.80
  6. Step 6: Final answer
    x = 270,637.18

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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.