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Finding the Fourth Proportional to 447,019.55, 616,885.74 and 250,786.42

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Solution

The fourth proportional to 447,019.55, 616,885.74 and 250,786.42 is: 346,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,019.55 : 616,885.74 = 250,786.42 : x
  2. Step 2: Convert to fraction form
    447,019.55/616,885.74 = 250,786.42/x
  3. Step 3: Cross multiply
    447,019.55x = 616,885.74 × 250,786.42
  4. Step 4: Simplify right side
    447,019.55x = 154,706,566,283.65
  5. Step 5: Solve for x
    x = 154,706,566,283.65/447,019.55
  6. Step 6: Final answer
    x = 346,084.56

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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.