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Finding the Fourth Proportional to 566,581.20, 849,871.80 and 330,190.80

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Solution

The fourth proportional to 566,581.20, 849,871.80 and 330,190.80 is: 495,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,581.20 : 849,871.80 = 330,190.80 : x
  2. Step 2: Convert to fraction form
    566,581.20/849,871.80 = 330,190.80/x
  3. Step 3: Cross multiply
    566,581.20x = 849,871.80 × 330,190.80
  4. Step 4: Simplify right side
    566,581.20x = 280,619,849,539.44
  5. Step 5: Solve for x
    x = 280,619,849,539.44/566,581.20
  6. Step 6: Final answer
    x = 495,286.20

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Half scale
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Double scale
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Similar ratio
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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.