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Finding the Fourth Proportional to 446,855.50, 670,072.06 and 162,347.65

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Solution

The fourth proportional to 446,855.50, 670,072.06 and 162,347.65 is: 243,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,855.50 : 670,072.06 = 162,347.65 : x
  2. Step 2: Convert to fraction form
    446,855.50/670,072.06 = 162,347.65/x
  3. Step 3: Cross multiply
    446,855.50x = 670,072.06 × 162,347.65
  4. Step 4: Simplify right side
    446,855.50x = 108,784,624,271.66
  5. Step 5: Solve for x
    x = 108,784,624,271.66/446,855.50
  6. Step 6: Final answer
    x = 243,444.75

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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.