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Finding the Fourth Proportional to 446,841.61, 670,051.75 and 162,331.54

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Solution

The fourth proportional to 446,841.61, 670,051.75 and 162,331.54 is: 243,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,841.61 : 670,051.75 = 162,331.54 : x
  2. Step 2: Convert to fraction form
    446,841.61/670,051.75 = 162,331.54/x
  3. Step 3: Cross multiply
    446,841.61x = 670,051.75 × 162,331.54
  4. Step 4: Simplify right side
    446,841.61x = 108,770,532,457.20
  5. Step 5: Solve for x
    x = 108,770,532,457.20/446,841.61
  6. Step 6: Final answer
    x = 243,420.78

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1.5x scale

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.