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Finding the Fourth Proportional to 335,006.64, 462,326.88 and 189,840.60

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Solution

The fourth proportional to 335,006.64, 462,326.88 and 189,840.60 is: 261,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,006.64 : 462,326.88 = 189,840.60 : x
  2. Step 2: Convert to fraction form
    335,006.64/462,326.88 = 189,840.60/x
  3. Step 3: Cross multiply
    335,006.64x = 462,326.88 × 189,840.60
  4. Step 4: Simplify right side
    335,006.64x = 87,768,412,295.33
  5. Step 5: Solve for x
    x = 87,768,412,295.33/335,006.64
  6. Step 6: Final answer
    x = 261,990.07

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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.