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Finding the Fourth Proportional to 352,393, 486,705.96 and 232,072.12

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Solution

The fourth proportional to 352,393, 486,705.96 and 232,072.12 is: 320,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,393 : 486,705.96 = 232,072.12 : x
  2. Step 2: Convert to fraction form
    352,393/486,705.96 = 232,072.12/x
  3. Step 3: Cross multiply
    352,393x = 486,705.96 × 232,072.12
  4. Step 4: Simplify right side
    352,393x = 112,950,883,953.84
  5. Step 5: Solve for x
    x = 112,950,883,953.84/352,393
  6. Step 6: Final answer
    x = 320,525.33

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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.