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Finding the Fourth Proportional to 319,233.78, 440,541.03 and 175,993.38

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Solution

The fourth proportional to 319,233.78, 440,541.03 and 175,993.38 is: 242,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,233.78 : 440,541.03 = 175,993.38 : x
  2. Step 2: Convert to fraction form
    319,233.78/440,541.03 = 175,993.38/x
  3. Step 3: Cross multiply
    319,233.78x = 440,541.03 × 175,993.38
  4. Step 4: Simplify right side
    319,233.78x = 77,532,304,898.38
  5. Step 5: Solve for x
    x = 77,532,304,898.38/319,233.78
  6. Step 6: Final answer
    x = 242,869.99

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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.