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Finding the Fourth Proportional to 628,112.80, 942,169.20 and 599,244.40

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Solution

The fourth proportional to 628,112.80, 942,169.20 and 599,244.40 is: 898,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,112.80 : 942,169.20 = 599,244.40 : x
  2. Step 2: Convert to fraction form
    628,112.80/942,169.20 = 599,244.40/x
  3. Step 3: Cross multiply
    628,112.80x = 942,169.20 × 599,244.40
  4. Step 4: Simplify right side
    628,112.80x = 564,589,616,952.48
  5. Step 5: Solve for x
    x = 564,589,616,952.48/628,112.80
  6. Step 6: Final answer
    x = 898,866.60

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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.