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Finding the Fourth Proportional to 269,572.70, 404,359.06 and 207,364.70

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Solution

The fourth proportional to 269,572.70, 404,359.06 and 207,364.70 is: 311,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,572.70 : 404,359.06 = 207,364.70 : x
  2. Step 2: Convert to fraction form
    269,572.70/404,359.06 = 207,364.70/x
  3. Step 3: Cross multiply
    269,572.70x = 404,359.06 × 207,364.70
  4. Step 4: Simplify right side
    269,572.70x = 83,849,795,169.18
  5. Step 5: Solve for x
    x = 83,849,795,169.18/269,572.70
  6. Step 6: Final answer
    x = 311,047.06

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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.