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Finding the Fourth Proportional to 303,264.25, 418,369.40 and 175,866.07

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Solution

The fourth proportional to 303,264.25, 418,369.40 and 175,866.07 is: 242,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,264.25 : 418,369.40 = 175,866.07 : x
  2. Step 2: Convert to fraction form
    303,264.25/418,369.40 = 175,866.07/x
  3. Step 3: Cross multiply
    303,264.25x = 418,369.40 × 175,866.07
  4. Step 4: Simplify right side
    303,264.25x = 73,576,981,306.93
  5. Step 5: Solve for x
    x = 73,576,981,306.93/303,264.25
  6. Step 6: Final answer
    x = 242,616.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.