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Finding the Fourth Proportional to 412,567.56, 618,851.88 and 113,050.80

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Solution

The fourth proportional to 412,567.56, 618,851.88 and 113,050.80 is: 169,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,567.56 : 618,851.88 = 113,050.80 : x
  2. Step 2: Convert to fraction form
    412,567.56/618,851.88 = 113,050.80/x
  3. Step 3: Cross multiply
    412,567.56x = 618,851.88 × 113,050.80
  4. Step 4: Simplify right side
    412,567.56x = 69,961,700,115.50
  5. Step 5: Solve for x
    x = 69,961,700,115.50/412,567.56
  6. Step 6: Final answer
    x = 169,576.35

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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.