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Finding the Fourth Proportional to 446,405.58, 616,022.11 and 265,112.80

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Solution

The fourth proportional to 446,405.58, 616,022.11 and 265,112.80 is: 365,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,405.58 : 616,022.11 = 265,112.80 : x
  2. Step 2: Convert to fraction form
    446,405.58/616,022.11 = 265,112.80/x
  3. Step 3: Cross multiply
    446,405.58x = 616,022.11 × 265,112.80
  4. Step 4: Simplify right side
    446,405.58x = 163,315,345,235.34
  5. Step 5: Solve for x
    x = 163,315,345,235.34/446,405.58
  6. Step 6: Final answer
    x = 365,845.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.