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Finding the Fourth Proportional to 447,429.29, 617,460.59 and 246,220.97

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Solution

The fourth proportional to 447,429.29, 617,460.59 and 246,220.97 is: 339,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,429.29 : 617,460.59 = 246,220.97 : x
  2. Step 2: Convert to fraction form
    447,429.29/617,460.59 = 246,220.97/x
  3. Step 3: Cross multiply
    447,429.29x = 617,460.59 × 246,220.97
  4. Step 4: Simplify right side
    447,429.29x = 152,031,742,934.82
  5. Step 5: Solve for x
    x = 152,031,742,934.82/447,429.29
  6. Step 6: Final answer
    x = 339,789.43

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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.