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Finding the Fourth Proportional to 503,048.73, 754,491.08 and 147,979.71

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Solution

The fourth proportional to 503,048.73, 754,491.08 and 147,979.71 is: 221,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,048.73 : 754,491.08 = 147,979.71 : x
  2. Step 2: Convert to fraction form
    503,048.73/754,491.08 = 147,979.71/x
  3. Step 3: Cross multiply
    503,048.73x = 754,491.08 × 147,979.71
  4. Step 4: Simplify right side
    503,048.73x = 111,649,370,476.09
  5. Step 5: Solve for x
    x = 111,649,370,476.09/503,048.73
  6. Step 6: Final answer
    x = 221,945.44

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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.