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Finding the Fourth Proportional to 544,074.60, 816,111.90 and 322,890.60

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Solution

The fourth proportional to 544,074.60, 816,111.90 and 322,890.60 is: 484,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,074.60 : 816,111.90 = 322,890.60 : x
  2. Step 2: Convert to fraction form
    544,074.60/816,111.90 = 322,890.60/x
  3. Step 3: Cross multiply
    544,074.60x = 816,111.90 × 322,890.60
  4. Step 4: Simplify right side
    544,074.60x = 263,514,861,058.14
  5. Step 5: Solve for x
    x = 263,514,861,058.14/544,074.60
  6. Step 6: Final answer
    x = 484,335.90

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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.