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Finding the Fourth Proportional to 423,612, 584,584.56 and 232,628.58

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Solution

The fourth proportional to 423,612, 584,584.56 and 232,628.58 is: 321,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,612 : 584,584.56 = 232,628.58 : x
  2. Step 2: Convert to fraction form
    423,612/584,584.56 = 232,628.58/x
  3. Step 3: Cross multiply
    423,612x = 584,584.56 × 232,628.58
  4. Step 4: Simplify right side
    423,612x = 135,991,076,082.73
  5. Step 5: Solve for x
    x = 135,991,076,082.73/423,612
  6. Step 6: Final answer
    x = 321,027.44

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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.