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Finding the Fourth Proportional to 564,007.80, 846,011.70 and 327,228.60

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Solution

The fourth proportional to 564,007.80, 846,011.70 and 327,228.60 is: 490,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,007.80 : 846,011.70 = 327,228.60 : x
  2. Step 2: Convert to fraction form
    564,007.80/846,011.70 = 327,228.60/x
  3. Step 3: Cross multiply
    564,007.80x = 846,011.70 × 327,228.60
  4. Step 4: Simplify right side
    564,007.80x = 276,839,224,174.62
  5. Step 5: Solve for x
    x = 276,839,224,174.62/564,007.80
  6. Step 6: Final answer
    x = 490,842.90

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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.