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Finding the Fourth Proportional to 258,861.37, 357,338.92 and 174,027.64

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Solution

The fourth proportional to 258,861.37, 357,338.92 and 174,027.64 is: 240,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,861.37 : 357,338.92 = 174,027.64 : x
  2. Step 2: Convert to fraction form
    258,861.37/357,338.92 = 174,027.64/x
  3. Step 3: Cross multiply
    258,861.37x = 357,338.92 × 174,027.64
  4. Step 4: Simplify right side
    258,861.37x = 62,186,848,927.75
  5. Step 5: Solve for x
    x = 62,186,848,927.75/258,861.37
  6. Step 6: Final answer
    x = 240,232.25

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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.