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Finding the Fourth Proportional to 332,128.42, 498,458.31 and 174,449.86

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Solution

The fourth proportional to 332,128.42, 498,458.31 and 174,449.86 is: 261,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,128.42 : 498,458.31 = 174,449.86 : x
  2. Step 2: Convert to fraction form
    332,128.42/498,458.31 = 174,449.86/x
  3. Step 3: Cross multiply
    332,128.42x = 498,458.31 × 174,449.86
  4. Step 4: Simplify right side
    332,128.42x = 86,955,982,395.34
  5. Step 5: Solve for x
    x = 86,955,982,395.34/332,128.42
  6. Step 6: Final answer
    x = 261,814.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.