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Finding the Fourth Proportional to 258,339.84, 356,463.36 and 157,770.24

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Solution

The fourth proportional to 258,339.84, 356,463.36 and 157,770.24 is: 217,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,339.84 : 356,463.36 = 157,770.24 : x
  2. Step 2: Convert to fraction form
    258,339.84/356,463.36 = 157,770.24/x
  3. Step 3: Cross multiply
    258,339.84x = 356,463.36 × 157,770.24
  4. Step 4: Simplify right side
    258,339.84x = 56,239,309,858.41
  5. Step 5: Solve for x
    x = 56,239,309,858.41/258,339.84
  6. Step 6: Final answer
    x = 217,695.07

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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.