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Finding the Fourth Proportional to 300,957.16, 415,350.60 and 171,914.94

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Solution

The fourth proportional to 300,957.16, 415,350.60 and 171,914.94 is: 237,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,957.16 : 415,350.60 = 171,914.94 : x
  2. Step 2: Convert to fraction form
    300,957.16/415,350.60 = 171,914.94/x
  3. Step 3: Cross multiply
    300,957.16x = 415,350.60 × 171,914.94
  4. Step 4: Simplify right side
    300,957.16x = 71,404,973,477.96
  5. Step 5: Solve for x
    x = 71,404,973,477.96/300,957.16
  6. Step 6: Final answer
    x = 237,259.59

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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.