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Finding the Fourth Proportional to 454,176.70, 679,952.85 and 277,029.70

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Solution

The fourth proportional to 454,176.70, 679,952.85 and 277,029.70 is: 414,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,176.70 : 679,952.85 = 277,029.70 : x
  2. Step 2: Convert to fraction form
    454,176.70/679,952.85 = 277,029.70/x
  3. Step 3: Cross multiply
    454,176.70x = 679,952.85 × 277,029.70
  4. Step 4: Simplify right side
    454,176.70x = 188,367,134,049.65
  5. Step 5: Solve for x
    x = 188,367,134,049.65/454,176.70
  6. Step 6: Final answer
    x = 414,744.16

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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.