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Finding the Fourth Proportional to 447,297.98, 617,272.68 and 243,348.84

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Solution

The fourth proportional to 447,297.98, 617,272.68 and 243,348.84 is: 335,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,297.98 : 617,272.68 = 243,348.84 : x
  2. Step 2: Convert to fraction form
    447,297.98/617,272.68 = 243,348.84/x
  3. Step 3: Cross multiply
    447,297.98x = 617,272.68 × 243,348.84
  4. Step 4: Simplify right side
    447,297.98x = 150,212,590,641.69
  5. Step 5: Solve for x
    x = 150,212,590,641.69/447,297.98
  6. Step 6: Final answer
    x = 335,822.20

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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.