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Finding the Fourth Proportional to 544,038.30, 816,057.45 and 411,327.90

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Solution

The fourth proportional to 544,038.30, 816,057.45 and 411,327.90 is: 616,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.30 : 816,057.45 = 411,327.90 : x
  2. Step 2: Convert to fraction form
    544,038.30/816,057.45 = 411,327.90/x
  3. Step 3: Cross multiply
    544,038.30x = 816,057.45 × 411,327.90
  4. Step 4: Simplify right side
    544,038.30x = 335,667,197,187.86
  5. Step 5: Solve for x
    x = 335,667,197,187.86/544,038.30
  6. Step 6: Final answer
    x = 616,991.85

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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.