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Finding the Fourth Proportional to 447,581.76, 617,662.94 and 246,377.76

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Solution

The fourth proportional to 447,581.76, 617,662.94 and 246,377.76 is: 340,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,581.76 : 617,662.94 = 246,377.76 : x
  2. Step 2: Convert to fraction form
    447,581.76/617,662.94 = 246,377.76/x
  3. Step 3: Cross multiply
    447,581.76x = 617,662.94 × 246,377.76
  4. Step 4: Simplify right side
    447,581.76x = 152,178,411,592.21
  5. Step 5: Solve for x
    x = 152,178,411,592.21/447,581.76
  6. Step 6: Final answer
    x = 340,001.37

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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.