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Finding the Fourth Proportional to 578,885.84, 798,878.04 and 324,231.44

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Solution

The fourth proportional to 578,885.84, 798,878.04 and 324,231.44 is: 447,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,885.84 : 798,878.04 = 324,231.44 : x
  2. Step 2: Convert to fraction form
    578,885.84/798,878.04 = 324,231.44/x
  3. Step 3: Cross multiply
    578,885.84x = 798,878.04 × 324,231.44
  4. Step 4: Simplify right side
    578,885.84x = 259,021,377,293.58
  5. Step 5: Solve for x
    x = 259,021,377,293.58/578,885.84
  6. Step 6: Final answer
    x = 447,448.11

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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.