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Finding the Fourth Proportional to 503,049.30, 754,491.92 and 147,980.27

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Solution

The fourth proportional to 503,049.30, 754,491.92 and 147,980.27 is: 221,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,049.30 : 754,491.92 = 147,980.27 : x
  2. Step 2: Convert to fraction form
    503,049.30/754,491.92 = 147,980.27/x
  3. Step 3: Cross multiply
    503,049.30x = 754,491.92 × 147,980.27
  4. Step 4: Simplify right side
    503,049.30x = 111,649,913,522.06
  5. Step 5: Solve for x
    x = 111,649,913,522.06/503,049.30
  6. Step 6: Final answer
    x = 221,946.27

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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.