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Finding the Fourth Proportional to 559,621.36, 839,595.84 and 180,534.88

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Solution

The fourth proportional to 559,621.36, 839,595.84 and 180,534.88 is: 270,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,621.36 : 839,595.84 = 180,534.88 : x
  2. Step 2: Convert to fraction form
    559,621.36/839,595.84 = 180,534.88/x
  3. Step 3: Cross multiply
    559,621.36x = 839,595.84 × 180,534.88
  4. Step 4: Simplify right side
    559,621.36x = 151,576,334,222.90
  5. Step 5: Solve for x
    x = 151,576,334,222.90/559,621.36
  6. Step 6: Final answer
    x = 270,855.16

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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.