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Finding the Fourth Proportional to 447,443.39, 617,471.70 and 246,239.39

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Solution

The fourth proportional to 447,443.39, 617,471.70 and 246,239.39 is: 339,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,443.39 : 617,471.70 = 246,239.39 : x
  2. Step 2: Convert to fraction form
    447,443.39/617,471.70 = 246,239.39/x
  3. Step 3: Cross multiply
    447,443.39x = 617,471.70 × 246,239.39
  4. Step 4: Simplify right side
    447,443.39x = 152,045,854,750.26
  5. Step 5: Solve for x
    x = 152,045,854,750.26/447,443.39
  6. Step 6: Final answer
    x = 339,810.26

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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.