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Finding the Fourth Proportional to 578,297.75, 798,050.80 and 323,648.94

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Solution

The fourth proportional to 578,297.75, 798,050.80 and 323,648.94 is: 446,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,297.75 : 798,050.80 = 323,648.94 : x
  2. Step 2: Convert to fraction form
    578,297.75/798,050.80 = 323,648.94/x
  3. Step 3: Cross multiply
    578,297.75x = 798,050.80 × 323,648.94
  4. Step 4: Simplify right side
    578,297.75x = 258,288,294,677.03
  5. Step 5: Solve for x
    x = 258,288,294,677.03/578,297.75
  6. Step 6: Final answer
    x = 446,635.48

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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.