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Finding the Fourth Proportional to 564,012.80, 846,019.20 and 327,233.60

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Solution

The fourth proportional to 564,012.80, 846,019.20 and 327,233.60 is: 490,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,012.80 : 846,019.20 = 327,233.60 : x
  2. Step 2: Convert to fraction form
    564,012.80/846,019.20 = 327,233.60/x
  3. Step 3: Cross multiply
    564,012.80x = 846,019.20 × 327,233.60
  4. Step 4: Simplify right side
    564,012.80x = 276,845,908,485.12
  5. Step 5: Solve for x
    x = 276,845,908,485.12/564,012.80
  6. Step 6: Final answer
    x = 490,850.40

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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.