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Finding the Fourth Proportional to 503,266.90, 754,952.78 and 161,624.01

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Solution

The fourth proportional to 503,266.90, 754,952.78 and 161,624.01 is: 242,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,266.90 : 754,952.78 = 161,624.01 : x
  2. Step 2: Convert to fraction form
    503,266.90/754,952.78 = 161,624.01/x
  3. Step 3: Cross multiply
    503,266.90x = 754,952.78 × 161,624.01
  4. Step 4: Simplify right side
    503,266.90x = 122,018,494,198.20
  5. Step 5: Solve for x
    x = 122,018,494,198.20/503,266.90
  6. Step 6: Final answer
    x = 242,452.85

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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.