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Finding the Fourth Proportional to 544,078.80, 816,118.20 and 456,987.60

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Solution

The fourth proportional to 544,078.80, 816,118.20 and 456,987.60 is: 685,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,078.80 : 816,118.20 = 456,987.60 : x
  2. Step 2: Convert to fraction form
    544,078.80/816,118.20 = 456,987.60/x
  3. Step 3: Cross multiply
    544,078.80x = 816,118.20 × 456,987.60
  4. Step 4: Simplify right side
    544,078.80x = 372,955,897,534.32
  5. Step 5: Solve for x
    x = 372,955,897,534.32/544,078.80
  6. Step 6: Final answer
    x = 685,481.40

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Similar ratio
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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.