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Finding the Fourth Proportional to 544,089.60, 816,134.40 and 396,633.60

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Solution

The fourth proportional to 544,089.60, 816,134.40 and 396,633.60 is: 594,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,089.60 : 816,134.40 = 396,633.60 : x
  2. Step 2: Convert to fraction form
    544,089.60/816,134.40 = 396,633.60/x
  3. Step 3: Cross multiply
    544,089.60x = 816,134.40 × 396,633.60
  4. Step 4: Simplify right side
    544,089.60x = 323,706,325,155.84
  5. Step 5: Solve for x
    x = 323,706,325,155.84/544,089.60
  6. Step 6: Final answer
    x = 594,950.40

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Double scale
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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.