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Finding the Fourth Proportional to 451,459.48, 677,411.22 and 181,576.92

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Solution

The fourth proportional to 451,459.48, 677,411.22 and 181,576.92 is: 272,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,459.48 : 677,411.22 = 181,576.92 : x
  2. Step 2: Convert to fraction form
    451,459.48/677,411.22 = 181,576.92/x
  3. Step 3: Cross multiply
    451,459.48x = 677,411.22 × 181,576.92
  4. Step 4: Simplify right side
    451,459.48x = 123,002,242,901.04
  5. Step 5: Solve for x
    x = 123,002,242,901.04/451,459.48
  6. Step 6: Final answer
    x = 272,454.67

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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.