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Finding the Fourth Proportional to 452,406.96, 678,765.60 and 283,723.56

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Solution

The fourth proportional to 452,406.96, 678,765.60 and 283,723.56 is: 425,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,406.96 : 678,765.60 = 283,723.56 : x
  2. Step 2: Convert to fraction form
    452,406.96/678,765.60 = 283,723.56/x
  3. Step 3: Cross multiply
    452,406.96x = 678,765.60 × 283,723.56
  4. Step 4: Simplify right side
    452,406.96x = 192,581,792,437.54
  5. Step 5: Solve for x
    x = 192,581,792,437.54/452,406.96
  6. Step 6: Final answer
    x = 425,682.65

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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.