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Finding the Fourth Proportional to 564,183.54, 846,280.80 and 143,459.46

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Solution

The fourth proportional to 564,183.54, 846,280.80 and 143,459.46 is: 215,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,183.54 : 846,280.80 = 143,459.46 : x
  2. Step 2: Convert to fraction form
    564,183.54/846,280.80 = 143,459.46/x
  3. Step 3: Cross multiply
    564,183.54x = 846,280.80 × 143,459.46
  4. Step 4: Simplify right side
    564,183.54x = 121,406,986,576.37
  5. Step 5: Solve for x
    x = 121,406,986,576.37/564,183.54
  6. Step 6: Final answer
    x = 215,190.59

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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.