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Finding the Fourth Proportional to 440,871.60, 608,385.88 and 239,667.60

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Solution

The fourth proportional to 440,871.60, 608,385.88 and 239,667.60 is: 330,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,871.60 : 608,385.88 = 239,667.60 : x
  2. Step 2: Convert to fraction form
    440,871.60/608,385.88 = 239,667.60/x
  3. Step 3: Cross multiply
    440,871.60x = 608,385.88 × 239,667.60
  4. Step 4: Simplify right side
    440,871.60x = 145,810,383,733.49
  5. Step 5: Solve for x
    x = 145,810,383,733.49/440,871.60
  6. Step 6: Final answer
    x = 330,732.09

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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.