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Finding the Fourth Proportional to 258,441.63, 356,597.18 and 150,990.91

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Solution

The fourth proportional to 258,441.63, 356,597.18 and 150,990.91 is: 208,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,441.63 : 356,597.18 = 150,990.91 : x
  2. Step 2: Convert to fraction form
    258,441.63/356,597.18 = 150,990.91/x
  3. Step 3: Cross multiply
    258,441.63x = 356,597.18 × 150,990.91
  4. Step 4: Simplify right side
    258,441.63x = 53,842,932,711.63
  5. Step 5: Solve for x
    x = 53,842,932,711.63/258,441.63
  6. Step 6: Final answer
    x = 208,336.92

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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.