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Finding the Fourth Proportional to 447,775, 617,929.50 and 246,571

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Solution

The fourth proportional to 447,775, 617,929.50 and 246,571 is: 340,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,775 : 617,929.50 = 246,571 : x
  2. Step 2: Convert to fraction form
    447,775/617,929.50 = 246,571/x
  3. Step 3: Cross multiply
    447,775x = 617,929.50 × 246,571
  4. Step 4: Simplify right side
    447,775x = 152,363,494,744.50
  5. Step 5: Solve for x
    x = 152,363,494,744.50/447,775
  6. Step 6: Final answer
    x = 340,267.98

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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.