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Finding the Fourth Proportional to 415,334.48, 622,735.57 and 175,383.39

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Solution

The fourth proportional to 415,334.48, 622,735.57 and 175,383.39 is: 262,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,334.48 : 622,735.57 = 175,383.39 : x
  2. Step 2: Convert to fraction form
    415,334.48/622,735.57 = 175,383.39/x
  3. Step 3: Cross multiply
    415,334.48x = 622,735.57 × 175,383.39
  4. Step 4: Simplify right side
    415,334.48x = 109,217,474,463.27
  5. Step 5: Solve for x
    x = 109,217,474,463.27/415,334.48
  6. Step 6: Final answer
    x = 262,962.70

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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.