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Finding the Fourth Proportional to 446,838.80, 670,047.62 and 162,328.73

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Solution

The fourth proportional to 446,838.80, 670,047.62 and 162,328.73 is: 243,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,838.80 : 670,047.62 = 162,328.73 : x
  2. Step 2: Convert to fraction form
    446,838.80/670,047.62 = 162,328.73/x
  3. Step 3: Cross multiply
    446,838.80x = 670,047.62 × 162,328.73
  4. Step 4: Simplify right side
    446,838.80x = 108,767,975,032.24
  5. Step 5: Solve for x
    x = 108,767,975,032.24/446,838.80
  6. Step 6: Final answer
    x = 243,416.59

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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.