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Finding the Fourth Proportional to 356,755.32, 492,219.99 and 235,852.49

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Solution

The fourth proportional to 356,755.32, 492,219.99 and 235,852.49 is: 325,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,755.32 : 492,219.99 = 235,852.49 : x
  2. Step 2: Convert to fraction form
    356,755.32/492,219.99 = 235,852.49/x
  3. Step 3: Cross multiply
    356,755.32x = 492,219.99 × 235,852.49
  4. Step 4: Simplify right side
    356,755.32x = 116,091,311,499.83
  5. Step 5: Solve for x
    x = 116,091,311,499.83/356,755.32
  6. Step 6: Final answer
    x = 325,408.77

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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.