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Finding the Fourth Proportional to 258,416.94, 356,583.60 and 150,908.88

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Solution

The fourth proportional to 258,416.94, 356,583.60 and 150,908.88 is: 208,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,416.94 : 356,583.60 = 150,908.88 : x
  2. Step 2: Convert to fraction form
    258,416.94/356,583.60 = 150,908.88/x
  3. Step 3: Cross multiply
    258,416.94x = 356,583.60 × 150,908.88
  4. Step 4: Simplify right side
    258,416.94x = 53,811,631,702.37
  5. Step 5: Solve for x
    x = 53,811,631,702.37/258,416.94
  6. Step 6: Final answer
    x = 208,235.70

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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.