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Finding the Fourth Proportional to 446,866.72, 670,088.94 and 162,358.96

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Solution

The fourth proportional to 446,866.72, 670,088.94 and 162,358.96 is: 243,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,866.72 : 670,088.94 = 162,358.96 : x
  2. Step 2: Convert to fraction form
    446,866.72/670,088.94 = 162,358.96/x
  3. Step 3: Cross multiply
    446,866.72x = 670,088.94 × 162,358.96
  4. Step 4: Simplify right side
    446,866.72x = 108,794,943,405.90
  5. Step 5: Solve for x
    x = 108,794,943,405.90/446,866.72
  6. Step 6: Final answer
    x = 243,461.73

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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.