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Finding the Fourth Proportional to 332,412.82, 498,147.29 and 256,223.41

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Solution

The fourth proportional to 332,412.82, 498,147.29 and 256,223.41 is: 383,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,412.82 : 498,147.29 = 256,223.41 : x
  2. Step 2: Convert to fraction form
    332,412.82/498,147.29 = 256,223.41/x
  3. Step 3: Cross multiply
    332,412.82x = 498,147.29 × 256,223.41
  4. Step 4: Simplify right side
    332,412.82x = 127,636,994,799.57
  5. Step 5: Solve for x
    x = 127,636,994,799.57/332,412.82
  6. Step 6: Final answer
    x = 383,971.34

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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.