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Finding the Fourth Proportional to 446,843.40, 670,265.10 and 402,606.60

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Solution

The fourth proportional to 446,843.40, 670,265.10 and 402,606.60 is: 603,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,843.40 : 670,265.10 = 402,606.60 : x
  2. Step 2: Convert to fraction form
    446,843.40/670,265.10 = 402,606.60/x
  3. Step 3: Cross multiply
    446,843.40x = 670,265.10 × 402,606.60
  4. Step 4: Simplify right side
    446,843.40x = 269,853,153,009.66
  5. Step 5: Solve for x
    x = 269,853,153,009.66/446,843.40
  6. Step 6: Final answer
    x = 603,909.90

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Similar ratio
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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.